Vulnerability Recommended Actions
None
Supplemental Information
* SOL9970: Subscribing to email notifications regarding F5 products
* SOL9957: Creating a custom RSS feed to view new and updated documents
* SOL4602: Overview of the F5 security vulnerability response policy
* SOL4918: Overview of the F5 critical issue hotfix policy
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image (bsc#877642).\n\n - CVE-2014-3640: The sosendto function in slirp/udp.c allowed local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket (bsc#897654).\n\n - CVE-2014-3689: The vmware-vga driver (hw/display/vmware_vga.c) allowed local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling (bsc#901508).\n\n - CVE-2014-7815: The set_pixel_format function in ui/vnc.c allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#902737).\n\n - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality had multiple interpretations of a function's return value, which allowed guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related 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pci: NULL pointer dereference issue (bsc#958917).\n\n - CVE-2015-8345: eepro100: infinite loop in processing command block list (bsc#956829).\n\n - CVE-2015-8504: VNC: floating point exception (bsc#958491).\n\n - CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n\n - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n\n - CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n\n - CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959005).\n\n - CVE-2015-8567: vmxnet3: host memory leakage (bsc#959387).\n\n - CVE-2015-8568: vmxnet3: host memory leakage (bsc#959387).\n\n - CVE-2015-8613: SCSI: stack-based buffer overflow in megasas_ctrl_get_info (bsc#961358).\n\n - CVE-2015-8619: Stack based OOB write in hmp_sendkey routine (bsc#960334).\n\n - CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960725).\n\n - CVE-2015-8744: vmxnet3: Incorrect l2 header validation lead to a crash via assert(2) call (bsc#960835).\n\n - CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n\n - CVE-2015-8817: OOB access in address_space_rw lead to segmentation fault (I) (bsc#969121).\n\n - CVE-2015-8818: OOB access in address_space_rw lead to segmentation fault (II) (bsc#969122).\n\n - CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n\n - CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n\n - CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n\n - CVE-2016-1714: 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leakage (bsc#959387).\n\n - CVE-2015-8568: vmxnet3: host memory leakage (bsc#959387).\n\n - CVE-2015-8613: SCSI: stack-based buffer overflow in megasas_ctrl_get_info (bsc#961358).\n\n - CVE-2015-8619: Stack based OOB write in hmp_sendkey routine (bsc#965269).\n\n - CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960726).\n\n - CVE-2015-8744: vmxnet3: Incorrect l2 header validation lead to a crash via assert(2) call (bsc#960836).\n\n - CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n\n - CVE-2015-8817: OOB access in address_space_rw lead to segmentation fault (I) (bsc#969125).\n\n - CVE-2015-8818: OOB access in address_space_rw lead to segmentation fault (II) (bsc#969126).\n\n - CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n\n - CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n\n - CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n\n - CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961692).\n\n - CVE-2016-1922: NULL pointer dereference in vapic_write() (bsc#962321).\n\n - CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963783).\n\n - CVE-2016-2198: EHCI NULL pointer dereference in ehci_caps_write (bsc#964415).\n\n - CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n\n - CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n\n - CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967101).\n\n - CVE-2016-2392: NULL pointer dereference in remote NDIS control message handling (bsc#967090).\n\n - CVE-2016-2538: Integer overflow in remote NDIS control message handling (bsc#968004).\n\n - XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThe update package also includes non-security fixes. See advisory for details.\n\nNote that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.0, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2016-05-19T00:00:00", "type": "nessus", "title": "SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1)", "bulletinFamily": "scanner", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2013-4527", "CVE-2013-4529", "CVE-2013-4530", "CVE-2013-4533", "CVE-2013-4534", "CVE-2013-4537", "CVE-2013-4538", "CVE-2013-4539", "CVE-2014-0222", "CVE-2014-3640", "CVE-2014-3689", "CVE-2014-7815", "CVE-2014-9718", "CVE-2015-1779", "CVE-2015-5278", "CVE-2015-6855", "CVE-2015-7512", "CVE-2015-7549", "CVE-2015-8345", "CVE-2015-8504", "CVE-2015-8550", "CVE-2015-8554", "CVE-2015-8555", "CVE-2015-8558", "CVE-2015-8567", "CVE-2015-8568", "CVE-2015-8613", "CVE-2015-8619", "CVE-2015-8743", "CVE-2015-8744", "CVE-2015-8745", "CVE-2015-8817", "CVE-2015-8818", "CVE-2016-1568", "CVE-2016-1570", "CVE-2016-1571", "CVE-2016-1714", "CVE-2016-1922", "CVE-2016-1981", "CVE-2016-2198", "CVE-2016-2270", "CVE-2016-2271", "CVE-2016-2391", "CVE-2016-2392", "CVE-2016-2538"], "modified": "2021-01-06T00:00:00", "cpe": ["p-cpe:/a:novell:suse_linux:xen", "p-cpe:/a:novell:suse_linux:xen-debugsource", "p-cpe:/a:novell:suse_linux:xen-doc-html", "p-cpe:/a:novell:suse_linux:xen-kmp-default", "p-cpe:/a:novell:suse_linux:xen-kmp-default-debuginfo", "p-cpe:/a:novell:suse_linux:xen-libs", "p-cpe:/a:novell:suse_linux:xen-libs-debuginfo", "p-cpe:/a:novell:suse_linux:xen-tools", "p-cpe:/a:novell:suse_linux:xen-tools-debuginfo", "p-cpe:/a:novell:suse_linux:xen-tools-domU", "p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo", "cpe:/o:novell:suse_linux:12"], "id": "SUSE_SU-2016-1318-1.NASL", "href": "https://www.tenable.com/plugins/nessus/91249", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from SUSE update advisory SUSE-SU-2016:1318-1.\n# The text itself is copyright (C) SUSE.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(91249);\n script_version(\"2.11\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/06\");\n\n script_cve_id(\"CVE-2013-4527\", \"CVE-2013-4529\", \"CVE-2013-4530\", \"CVE-2013-4533\", \"CVE-2013-4534\", \"CVE-2013-4537\", \"CVE-2013-4538\", \"CVE-2013-4539\", \"CVE-2014-0222\", \"CVE-2014-3640\", \"CVE-2014-3689\", \"CVE-2014-7815\", \"CVE-2014-9718\", \"CVE-2015-1779\", \"CVE-2015-5278\", \"CVE-2015-6855\", \"CVE-2015-7512\", \"CVE-2015-7549\", \"CVE-2015-8345\", \"CVE-2015-8504\", \"CVE-2015-8550\", \"CVE-2015-8554\", \"CVE-2015-8555\", \"CVE-2015-8558\", \"CVE-2015-8567\", \"CVE-2015-8568\", \"CVE-2015-8613\", \"CVE-2015-8619\", \"CVE-2015-8743\", \"CVE-2015-8744\", \"CVE-2015-8745\", \"CVE-2015-8817\", \"CVE-2015-8818\", \"CVE-2016-1568\", \"CVE-2016-1570\", \"CVE-2016-1571\", \"CVE-2016-1714\", \"CVE-2016-1922\", \"CVE-2016-1981\", \"CVE-2016-2198\", \"CVE-2016-2270\", \"CVE-2016-2271\", \"CVE-2016-2391\", \"CVE-2016-2392\", \"CVE-2016-2538\");\n script_bugtraq_id(67357, 67483, 70237, 70997, 70998, 73303, 73316);\n\n script_name(english:\"SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1)\");\n script_summary(english:\"Checks rpm output for the updated packages.\");\n\n script_set_attribute(\n attribute:\"synopsis\",\n value:\"The remote SUSE host is missing one or more security updates.\"\n );\n script_set_attribute(\n attribute:\"description\",\n value:\n\"xen was updated to fix 46 security issues.\n\nThese security issues were fixed :\n\n - CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might\n have allowed remote attackers to execute arbitrary code\n via vectors related to the number of timers\n (bsc#964746).\n\n - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c\n allowed remote attackers to cause a denial of service\n and possibly execute arbitrary code via a large log_num\n value in a savevm image (bsc#964929).\n\n - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed\n remote attackers to cause a denial of service or\n possibly execute arbitrary code via crafted tx_fifo_head\n and rx_fifo_head values in a savevm image (bsc#964950).\n\n - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load\n function in hw/arm/pxa2xx.c allowed remote attackers to\n cause a denial of service or possibly execute arbitrary\n code via a crafted s->rx_level value in a savevm image\n (bsc#964644).\n\n - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c\n allowed remote attackers to cause a denial of service or\n possibly execute arbitrary code via vectors related to\n IRQDest elements (bsc#964452).\n\n - CVE-2013-4537: The ssi_sd_transfer function in\n hw/sd/ssi-sd.c allowed remote attackers to execute\n arbitrary code via a crafted arglen value in a savevm\n image (bsc#962642).\n\n - CVE-2013-4538: Multiple buffer overflows in the\n ssd0323_load function in hw/display/ssd0323.c allowed\n remote attackers to cause a denial of service (memory\n corruption) or possibly execute arbitrary code via\n crafted (1) cmd_len, (2) row, or (3) col values; (4)\n row_start and row_end values; or (5) col_star and\n col_end values in a savevm image (bsc#962335).\n\n - CVE-2013-4539: Multiple buffer overflows in the\n tsc210x_load function in hw/input/tsc210x.c might have\n allowed remote attackers to execute arbitrary code via a\n crafted (1) precision, (2) nextprecision, (3) function,\n or (4) nextfunction value in a savevm image\n (bsc#962758).\n\n - CVE-2014-0222: Integer overflow in the qcow_open\n function in block/qcow.c allowed remote attackers to\n cause a denial of service (crash) via a large L2 table\n in a QCOW version 1 image (bsc#964925).\n\n - CVE-2014-3640: The sosendto function in slirp/udp.c\n allowed local users to cause a denial of service (NULL\n pointer dereference) by sending a udp packet with a\n value of 0 in the source port and address, which\n triggers access of an uninitialized socket (bsc#965112).\n\n - CVE-2014-3689: The vmware-vga driver\n (hw/display/vmware_vga.c) allowed local guest users to\n write to qemu memory locations and gain privileges via\n unspecified parameters related to rectangle handling\n (bsc#962611).\n\n - CVE-2014-7815: The set_pixel_format function in ui/vnc.c\n allowed remote attackers to cause a denial of service\n (crash) via a small bytes_per_pixel value (bsc#962627).\n\n - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces\n in the IDE functionality had multiple interpretations of\n a function's return value, which allowed guest OS users\n to cause a host OS denial of service (memory consumption\n or infinite loop, and system crash) via a PRDT with zero\n complete sectors, related to the bmdma_prepare_buf and\n ahci_dma_prepare_buf functions (bsc#964431).\n\n - CVE-2015-1779: The VNC websocket frame decoder allowed\n remote attackers to cause a denial of service (memory\n and CPU consumption) via a large (1) websocket payload\n or (2) HTTP headers section (bsc#962632).\n\n - CVE-2015-5278: Infinite loop in ne2000_receive()\n function (bsc#964947).\n\n - CVE-2015-6855: hw/ide/core.c did not properly restrict\n the commands accepted by an ATAPI device, which allowed\n guest users to cause a denial of service or possibly\n have unspecified other impact via certain IDE commands,\n as demonstrated by a WIN_READ_NATIVE_MAX command to an\n empty drive, which triggers a divide-by-zero error and\n instance crash (bsc#965156).\n\n - CVE-2015-7512: Buffer overflow in the pcnet_receive\n function in hw/net/pcnet.c, when a guest NIC has a\n larger MTU, allowed remote attackers to cause a denial\n of service (guest OS crash) or execute arbitrary code\n via a large packet (bsc#962360).\n\n - CVE-2015-7549: pci: NULL pointer dereference issue\n (bsc#958918).\n\n - CVE-2015-8345: eepro100: infinite loop in processing\n command block list (bsc#956832).\n\n - CVE-2015-8504: VNC: floating point exception\n (bsc#958493).\n\n - CVE-2015-8550: Paravirtualized drivers were incautious\n about shared memory contents (XSA-155) (bsc#957988).\n\n - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling\n (XSA-164) (bsc#958007).\n\n - CVE-2015-8555: Information leak in legacy x86 FPU/XMM\n initialization (XSA-165) (bsc#958009).\n\n - CVE-2015-8558: Infinite loop in ehci_advance_state\n resulted in DoS (bsc#959006).\n\n - CVE-2015-8567: vmxnet3: host memory leakage\n (bsc#959387).\n\n - CVE-2015-8568: vmxnet3: host memory leakage\n (bsc#959387).\n\n - CVE-2015-8613: SCSI: stack-based buffer overflow in\n megasas_ctrl_get_info (bsc#961358).\n\n - CVE-2015-8619: Stack based OOB write in hmp_sendkey\n routine (bsc#965269).\n\n - CVE-2015-8743: ne2000: OOB memory access in ioport r/w\n functions (bsc#960726).\n\n - CVE-2015-8744: vmxnet3: Incorrect l2 header validation\n lead to a crash via assert(2) call (bsc#960836).\n\n - CVE-2015-8745: Reading IMR registers lead to a crash via\n assert(2) call (bsc#960707).\n\n - CVE-2015-8817: OOB access in address_space_rw lead to\n segmentation fault (I) (bsc#969125).\n\n - CVE-2015-8818: OOB access in address_space_rw lead to\n segmentation fault (II) (bsc#969126).\n\n - CVE-2016-1568: AHCI use-after-free vulnerability in aio\n port commands (bsc#961332).\n\n - CVE-2016-1570: The PV superpage functionality in\n arch/x86/mm.c allowed local PV guests to obtain\n sensitive information, cause a denial of service, gain\n privileges, or have unspecified other impact via a\n crafted page identifier (MFN) to the (1)\n MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in\n the HYPERVISOR_mmuext_op hypercall or (3) unknown\n vectors related to page table updates (bsc#960861).\n\n - CVE-2016-1571: VMX: intercept issue with INVLPG on\n non-canonical address (XSA-168) (bsc#960862).\n\n - CVE-2016-1714: nvram: OOB r/w access in processing\n firmware configurations (bsc#961692).\n\n - CVE-2016-1922: NULL pointer dereference in vapic_write()\n (bsc#962321).\n\n - CVE-2016-1981: e1000 infinite loop in start_xmit and\n e1000_receive_iov routines (bsc#963783).\n\n - CVE-2016-2198: EHCI NULL pointer dereference in\n ehci_caps_write (bsc#964415).\n\n - CVE-2016-2270: Xen allowed local guest administrators to\n cause a denial of service (host reboot) via vectors\n related to multiple mappings of MMIO pages with\n different cachability settings (bsc#965315).\n\n - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,\n allowed local HVM guest users to cause a denial of\n service (guest crash) via vectors related to a\n non-canonical RIP (bsc#965317).\n\n - CVE-2016-2391: usb: multiple eof_timers in ohci module\n lead to NULL pointer dereference (bsc#967101).\n\n - CVE-2016-2392: NULL pointer dereference in remote NDIS\n control message handling (bsc#967090).\n\n - CVE-2016-2538: Integer overflow in remote NDIS control\n message handling (bsc#968004).\n\n - XSA-166: ioreq handling possibly susceptible to multiple\n read issue (bsc#958523).\n\nThe update package also includes non-security fixes. 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section (bsc#924018).\n\n - CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n\n - CVE-2015-6855: hw/ide/core.c did not properly restrict the commands accepted by an ATAPI device, which allowed guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash (bsc#945404).\n\n - CVE-2015-7512: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c, when a guest NIC has a larger MTU, allowed remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet (bsc#957162).\n\n - CVE-2015-7549: pci: NULL pointer dereference issue (bsc#958917).\n\n - CVE-2015-8345: eepro100: infinite loop in processing command block list (bsc#956829).\n\n - CVE-2015-8504: VNC: floating point exception (bsc#958491).\n\n - CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n\n - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n\n - CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n\n - CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959005).\n\n - CVE-2015-8567: vmxnet3: host memory leakage (bsc#959387).\n\n - CVE-2015-8568: vmxnet3: host memory leakage (bsc#959387).\n\n - CVE-2015-8613: SCSI: stack-based buffer overflow in megasas_ctrl_get_info (bsc#961358).\n\n - CVE-2015-8619: Stack based OOB write in hmp_sendkey routine (bsc#960334).\n\n - CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960725).\n\n - CVE-2015-8744: vmxnet3: Incorrect l2 header validation lead to a crash via assert(2) call (bsc#960835).\n\n - CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n\n - CVE-2015-8817: OOB access in address_space_rw lead to segmentation fault (I) (bsc#969121).\n\n - CVE-2015-8818: OOB access in address_space_rw lead to segmentation fault (II) (bsc#969122).\n\n - CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n\n - CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n\n - CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n\n - CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961691).\n\n - CVE-2016-1922: NULL pointer dereference in vapic_write() (bsc#962320).\n\n - CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963782).\n\n - CVE-2016-2198: EHCI NULL pointer dereference in ehci_caps_write (bsc#964413).\n\n - CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n\n - CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n\n - CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967013).\n\n - CVE-2016-2392: NULL pointer dereference in remote NDIS control message handling (bsc#967012).\n\n - CVE-2016-2538: Integer overflow in remote NDIS control message handling (bsc#967969).\n\n - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive (bsc#969350).\n\n - XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThe update package also includes non-security fixes. See advisory for details.\n\nNote that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.0, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2016-04-07T00:00:00", "type": "nessus", "title": "SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2016:0955-1)", "bulletinFamily": "scanner", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2013-4527", "CVE-2013-4529", "CVE-2013-4530", "CVE-2013-4533", "CVE-2013-4534", "CVE-2013-4537", "CVE-2013-4538", "CVE-2013-4539", "CVE-2014-0222", "CVE-2014-3640", "CVE-2014-3689", "CVE-2014-7815", "CVE-2014-9718", "CVE-2015-1779", "CVE-2015-5278", "CVE-2015-6855", "CVE-2015-7512", "CVE-2015-7549", "CVE-2015-8345", "CVE-2015-8504", "CVE-2015-8550", "CVE-2015-8554", "CVE-2015-8555", "CVE-2015-8558", "CVE-2015-8567", "CVE-2015-8568", "CVE-2015-8613", "CVE-2015-8619", "CVE-2015-8743", "CVE-2015-8744", "CVE-2015-8745", "CVE-2015-8817", "CVE-2015-8818", "CVE-2016-1568", "CVE-2016-1570", "CVE-2016-1571", "CVE-2016-1714", "CVE-2016-1922", "CVE-2016-1981", "CVE-2016-2198", "CVE-2016-2270", "CVE-2016-2271", "CVE-2016-2391", "CVE-2016-2392", "CVE-2016-2538", "CVE-2016-2841"], "modified": "2021-01-06T00:00:00", "cpe": ["p-cpe:/a:novell:suse_linux:xen", "p-cpe:/a:novell:suse_linux:xen-doc-html", "p-cpe:/a:novell:suse_linux:xen-kmp-default", "p-cpe:/a:novell:suse_linux:xen-kmp-pae", "p-cpe:/a:novell:suse_linux:xen-libs", "p-cpe:/a:novell:suse_linux:xen-tools", "p-cpe:/a:novell:suse_linux:xen-tools-domU", "cpe:/o:novell:suse_linux:11"], "id": "SUSE_SU-2016-0955-1.NASL", "href": "https://www.tenable.com/plugins/nessus/90396", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from SUSE update advisory SUSE-SU-2016:0955-1.\n# The text itself is copyright (C) SUSE.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(90396);\n script_version(\"2.13\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/06\");\n\n script_cve_id(\"CVE-2013-4527\", \"CVE-2013-4529\", \"CVE-2013-4530\", \"CVE-2013-4533\", \"CVE-2013-4534\", \"CVE-2013-4537\", \"CVE-2013-4538\", \"CVE-2013-4539\", \"CVE-2014-0222\", \"CVE-2014-3640\", \"CVE-2014-3689\", \"CVE-2014-7815\", \"CVE-2014-9718\", \"CVE-2015-1779\", \"CVE-2015-5278\", \"CVE-2015-6855\", \"CVE-2015-7512\", \"CVE-2015-7549\", \"CVE-2015-8345\", \"CVE-2015-8504\", \"CVE-2015-8550\", \"CVE-2015-8554\", \"CVE-2015-8555\", \"CVE-2015-8558\", \"CVE-2015-8567\", \"CVE-2015-8568\", \"CVE-2015-8613\", \"CVE-2015-8619\", \"CVE-2015-8743\", \"CVE-2015-8744\", \"CVE-2015-8745\", \"CVE-2015-8817\", \"CVE-2015-8818\", \"CVE-2016-1568\", \"CVE-2016-1570\", \"CVE-2016-1571\", \"CVE-2016-1714\", \"CVE-2016-1922\", \"CVE-2016-1981\", \"CVE-2016-2198\", \"CVE-2016-2270\", \"CVE-2016-2271\", \"CVE-2016-2391\", \"CVE-2016-2392\", \"CVE-2016-2538\", \"CVE-2016-2841\");\n script_bugtraq_id(67357, 67483, 70237, 70997, 70998, 73303, 73316);\n\n script_name(english:\"SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2016:0955-1)\");\n script_summary(english:\"Checks rpm output for the updated packages.\");\n\n script_set_attribute(\n attribute:\"synopsis\",\n value:\"The remote SUSE host is missing one or more security updates.\"\n );\n script_set_attribute(\n attribute:\"description\",\n value:\n\"xen was updated to fix 47 security issues.\n\nThese security issues were fixed :\n\n - CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might\n have allowed remote attackers to execute arbitrary code\n via vectors related to the number of timers\n (bnc#864673).\n\n - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c\n allowed remote attackers to cause a denial of service\n and possibly execute arbitrary code via a large log_num\n value in a savevm image (bnc#864678).\n\n - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed\n remote attackers to cause a denial of service or\n possibly execute arbitrary code via crafted tx_fifo_head\n and rx_fifo_head values in a savevm image (bnc#864682).\n\n - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load\n function in hw/arm/pxa2xx.c allowed remote attackers to\n cause a denial of service or possibly execute arbitrary\n code via a crafted s->rx_level value in a savevm image\n (bsc#864655).\n\n - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c\n allowed remote attackers to cause a denial of service or\n possibly execute arbitrary code via vectors related to\n IRQDest elements (bsc#864811).\n\n - CVE-2013-4537: The ssi_sd_transfer function in\n hw/sd/ssi-sd.c allowed remote attackers to execute\n arbitrary code via a crafted arglen value in a savevm\n image (bsc#864391).\n\n - CVE-2013-4538: Multiple buffer overflows in the\n ssd0323_load function in hw/display/ssd0323.c allowed\n remote attackers to cause a denial of service (memory\n corruption) or possibly execute arbitrary code via\n crafted (1) cmd_len, (2) row, or (3) col values; (4)\n row_start and row_end values; or (5) col_star and\n col_end values in a savevm image (bsc#864769).\n\n - CVE-2013-4539: Multiple buffer overflows in the\n tsc210x_load function in hw/input/tsc210x.c might have\n allowed remote attackers to execute arbitrary code via a\n crafted (1) precision, (2) nextprecision, (3) function,\n or (4) nextfunction value in a savevm image\n (bsc#864805).\n\n - CVE-2014-0222: Integer overflow in the qcow_open\n function in block/qcow.c allowed remote attackers to\n cause a denial of service (crash) via a large L2 table\n in a QCOW version 1 image (bsc#877642).\n\n - CVE-2014-3640: The sosendto function in slirp/udp.c\n allowed local users to cause a denial of service (NULL\n pointer dereference) by sending a udp packet with a\n value of 0 in the source port and address, which\n triggers access of an uninitialized socket (bsc#897654).\n\n - CVE-2014-3689: The vmware-vga driver\n (hw/display/vmware_vga.c) allowed local guest users to\n write to qemu memory locations and gain privileges via\n unspecified parameters related to rectangle handling\n (bsc#901508).\n\n - CVE-2014-7815: The set_pixel_format function in ui/vnc.c\n allowed remote attackers to cause a denial of service\n (crash) via a small bytes_per_pixel value (bsc#902737).\n\n - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces\n in the IDE functionality had multiple interpretations of\n a function's return value, which allowed guest OS users\n to cause a host OS denial of service (memory consumption\n or infinite loop, and system crash) via a PRDT with zero\n complete sectors, related to the bmdma_prepare_buf and\n ahci_dma_prepare_buf functions (bsc#928393).\n\n - CVE-2015-1779: The VNC websocket frame decoder allowed\n remote attackers to cause a denial of service (memory\n and CPU consumption) via a large (1) websocket payload\n or (2) HTTP headers section (bsc#924018).\n\n - CVE-2015-5278: Infinite loop in ne2000_receive()\n function (bsc#945989).\n\n - CVE-2015-6855: hw/ide/core.c did not properly restrict\n the commands accepted by an ATAPI device, which allowed\n guest users to cause a denial of service or possibly\n have unspecified other impact via certain IDE commands,\n as demonstrated by a WIN_READ_NATIVE_MAX command to an\n empty drive, which triggers a divide-by-zero error and\n instance crash (bsc#945404).\n\n - CVE-2015-7512: Buffer overflow in the pcnet_receive\n function in hw/net/pcnet.c, when a guest NIC has a\n larger MTU, allowed remote attackers to cause a denial\n of service (guest OS crash) or execute arbitrary code\n via a large packet (bsc#957162).\n\n - CVE-2015-7549: pci: NULL pointer dereference issue\n (bsc#958917).\n\n - CVE-2015-8345: eepro100: infinite loop in processing\n command block list (bsc#956829).\n\n - CVE-2015-8504: VNC: floating point exception\n (bsc#958491).\n\n - CVE-2015-8550: Paravirtualized drivers were incautious\n about shared memory contents (XSA-155) (bsc#957988).\n\n - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling\n (XSA-164) (bsc#958007).\n\n - CVE-2015-8555: Information leak in legacy x86 FPU/XMM\n initialization (XSA-165) (bsc#958009).\n\n - CVE-2015-8558: Infinite loop in ehci_advance_state\n resulted in DoS (bsc#959005).\n\n - CVE-2015-8567: vmxnet3: host memory leakage\n (bsc#959387).\n\n - CVE-2015-8568: vmxnet3: host memory leakage\n (bsc#959387).\n\n - CVE-2015-8613: SCSI: stack-based buffer overflow in\n megasas_ctrl_get_info (bsc#961358).\n\n - CVE-2015-8619: Stack based OOB write in hmp_sendkey\n routine (bsc#960334).\n\n - CVE-2015-8743: ne2000: OOB memory access in ioport r/w\n functions (bsc#960725).\n\n - CVE-2015-8744: vmxnet3: Incorrect l2 header validation\n lead to a crash via assert(2) call (bsc#960835).\n\n - CVE-2015-8745: Reading IMR registers lead to a crash via\n assert(2) call (bsc#960707).\n\n - CVE-2015-8817: OOB access in address_space_rw lead to\n segmentation fault (I) (bsc#969121).\n\n - CVE-2015-8818: OOB access in address_space_rw lead to\n segmentation fault (II) (bsc#969122).\n\n - CVE-2016-1568: AHCI use-after-free vulnerability in aio\n port commands (bsc#961332).\n\n - CVE-2016-1570: The PV superpage functionality in\n arch/x86/mm.c allowed local PV guests to obtain\n sensitive information, cause a denial of service, gain\n privileges, or have unspecified other impact via a\n crafted page identifier (MFN) to the (1)\n MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in\n the HYPERVISOR_mmuext_op hypercall or (3) unknown\n vectors related to page table updates (bsc#960861).\n\n - CVE-2016-1571: VMX: intercept issue with INVLPG on\n non-canonical address (XSA-168) (bsc#960862).\n\n - CVE-2016-1714: nvram: OOB r/w access in processing\n firmware configurations (bsc#961691).\n\n - CVE-2016-1922: NULL pointer dereference in vapic_write()\n (bsc#962320).\n\n - CVE-2016-1981: e1000 infinite loop in start_xmit and\n e1000_receive_iov routines (bsc#963782).\n\n - CVE-2016-2198: EHCI NULL pointer dereference in\n ehci_caps_write (bsc#964413).\n\n - CVE-2016-2270: Xen allowed local guest administrators to\n cause a denial of service (host reboot) via vectors\n related to multiple mappings of MMIO pages with\n different cachability settings (bsc#965315).\n\n - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,\n allowed local HVM guest users to cause a denial of\n service (guest crash) via vectors related to a\n non-canonical RIP (bsc#965317).\n\n - CVE-2016-2391: usb: multiple eof_timers in ohci module\n lead to NULL pointer dereference (bsc#967013).\n\n - CVE-2016-2392: NULL pointer dereference in remote NDIS\n control message handling (bsc#967012).\n\n - CVE-2016-2538: Integer overflow in remote NDIS control\n message handling (bsc#967969).\n\n - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive\n (bsc#969350).\n\n - XSA-166: ioreq handling possibly susceptible to multiple\n read issue (bsc#958523).\n\nThe update package also includes non-security fixes. 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A guest user/process could use this issue to leak host memory, resulting in DoS for a host.(CVE-2016-9907)\n\n - qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.(CVE-2018-15746)\n\n - Stack-based buffer overflow in hw/usb/redirect.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU process crash) via vectors related to logging debug messages.(CVE-2017-10806)\n\n - The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.(CVE-2017-11434)\n\n - Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.(CVE-2017-8309)\n\n - Qemu emulator <= 3.0.0 built with the NE2000 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue. 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A user inside guest could use this flaw to crash the Qemu process resulting in DoS.(CVE-2018-10839)\n\n - Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.(CVE-2018-17958)\n\n - In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.(CVE-2019-6778)\n\n - The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.(CVE-2016-6835)\n\n - Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.(CVE-2016-9102)\n\n - The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host heap memory information by reading xattribute values before writing to them.(CVE-2016-9103)\n\n - Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.(CVE-2016-9104)\n\n - Memory leak in the v9fs_link function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via vectors involving a reference to the source fid object.(CVE-2016-9105)\n\n - Memory leak in the v9fs_write function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) by leveraging failure to free an IO vector.(CVE-2016-9106)\n\n - Quick Emulator (Qemu) built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in 'ehci_init_transfer'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.(CVE-2016-9911)\n\n - The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.(CVE-2016-6834)\n\n - The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.(CVE-2016-6836)\n\n - Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.(CVE-2016-6888)\n\n - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.(CVE-2016-7909)\n\n - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.(CVE-2016-8576)\n\n - The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.(CVE-2016-8669)\n\n - The intel_hda_xfer function in hw/audio/intel-hda.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via an entry with the same value for buffer length and pointer position.(CVE-2016-8909)\n\n - The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.(CVE-2016-8910)\n\n - Stack-based buffer overflow in the megasas_ctrl_get_info function in QEMU, when built with SCSI MegaRAID SAS HBA emulation support, allows local guest users to cause a denial of service (QEMU instance crash) via a crafted SCSI controller CTRL_GET_INFO command.(CVE-2015-8613)\n\n - QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.(CVE-2016-2198)\n\n - The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not properly validate USB configuration descriptor objects, which allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet.(CVE-2016-2392)\n\n - The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.(CVE-2016-4037)\n\n - The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command.(CVE-2016-4453)\n\n - The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.(CVE-2016-4454)\n\n - hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.(CVE-2015-7295)\n\n - The eepro100 emulator in QEMU qemu-kvm blank allows local guest users to cause a denial of service (application crash and infinite loop) via vectors involving the command block list.(CVE-2015-8345)\n\n - Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client.(CVE-2015-8504)\n\n - The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.(CVE-2015-8558)\n\n - Memory leak in net/vmxnet3.c in QEMU allows remote attackers to cause a denial of service (memory consumption).(CVE-2015-8567)\n\n - Memory leak in QEMU, when built with a VMWARE VMXNET3 paravirtual NIC emulator support, allows local guest users to cause a denial of service (host memory consumption) by trying to activate the vmxnet3 device repeatedly.(CVE-2015-8568)\n\n - Buffer overflow in the pxa2xx_ssp_load function in hw/arm/pxa2xx.c in QEMU before 1.7.2 allows remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted s->rx_level value in a savevm image.(CVE-2013-4533)\n\n - hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier allows local guest users to cause a denial of service or possibly execute arbitrary code via vectors related to (1) RX or (2) TX queue numbers or (3) interrupt indices. NOTE: some of these details are obtained from third party information.(CVE-2013-4544)\n\n - Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.(CVE-2016-2538)\n\nNote that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2019-12-04T00:00:00", "type": "nessus", "title": "EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2019-2431)", "bulletinFamily": "scanner", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2013-4533", "CVE-2013-4544", "CVE-2015-4037", "CVE-2015-6855", "CVE-2015-7295", "CVE-2015-7549", "CVE-2015-8345", "CVE-2015-8504", "CVE-2015-8558", "CVE-2015-8567", "CVE-2015-8568", "CVE-2015-8613", "CVE-2016-1568", "CVE-2016-2198", "CVE-2016-2391", "CVE-2016-2392", "CVE-2016-2538", "CVE-2016-2841", "CVE-2016-2858", "CVE-2016-4001", "CVE-2016-4002", "CVE-2016-4037", "CVE-2016-4453", "CVE-2016-4454", "CVE-2016-6834", "CVE-2016-6835", "CVE-2016-6836", "CVE-2016-6888", "CVE-2016-7116", "CVE-2016-7421", "CVE-2016-7908", "CVE-2016-7909", "CVE-2016-8576", "CVE-2016-8669", "CVE-2016-8909", "CVE-2016-8910", "CVE-2016-9102", "CVE-2016-9103", "CVE-2016-9104", "CVE-2016-9105", "CVE-2016-9106", "CVE-2016-9381", "CVE-2016-9907", "CVE-2016-9911", "CVE-2017-10806", "CVE-2017-11434", "CVE-2017-18043", "CVE-2017-5579", "CVE-2017-5973", "CVE-2017-8309", "CVE-2017-9373", "CVE-2017-9374", "CVE-2018-10839", "CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2018-15746", "CVE-2018-17958", "CVE-2018-17963", "CVE-2019-11091", "CVE-2019-6778"], "modified": "2022-12-05T00:00:00", "cpe": ["p-cpe:/a:huawei:euleros:qemu-img", "p-cpe:/a:huawei:euleros:qemu-kvm", "p-cpe:/a:huawei:euleros:qemu-kvm-common", "cpe:/o:huawei:euleros:2.0"], "id": "EULEROS_SA-2019-2431.NASL", "href": "https://www.tenable.com/plugins/nessus/131585", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(131585);\n script_version(\"1.9\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/12/05\");\n\n script_cve_id(\n \"CVE-2013-4533\",\n \"CVE-2013-4544\",\n \"CVE-2015-4037\",\n \"CVE-2015-6855\",\n \"CVE-2015-7295\",\n \"CVE-2015-7549\",\n \"CVE-2015-8345\",\n \"CVE-2015-8504\",\n \"CVE-2015-8558\",\n \"CVE-2015-8567\",\n \"CVE-2015-8568\",\n \"CVE-2015-8613\",\n \"CVE-2016-1568\",\n \"CVE-2016-2198\",\n \"CVE-2016-2391\",\n \"CVE-2016-2392\",\n \"CVE-2016-2538\",\n \"CVE-2016-2841\",\n \"CVE-2016-2858\",\n \"CVE-2016-4001\",\n \"CVE-2016-4002\",\n \"CVE-2016-4037\",\n \"CVE-2016-4453\",\n \"CVE-2016-4454\",\n \"CVE-2016-6834\",\n \"CVE-2016-6835\",\n \"CVE-2016-6836\",\n \"CVE-2016-6888\",\n \"CVE-2016-7116\",\n \"CVE-2016-7421\",\n \"CVE-2016-7908\",\n \"CVE-2016-7909\",\n \"CVE-2016-8576\",\n \"CVE-2016-8669\",\n \"CVE-2016-8909\",\n \"CVE-2016-8910\",\n \"CVE-2016-9102\",\n \"CVE-2016-9103\",\n \"CVE-2016-9104\",\n \"CVE-2016-9105\",\n \"CVE-2016-9106\",\n \"CVE-2016-9381\",\n \"CVE-2016-9907\",\n \"CVE-2016-9911\",\n \"CVE-2017-10806\",\n \"CVE-2017-11434\",\n \"CVE-2017-18043\",\n \"CVE-2017-5579\",\n \"CVE-2017-5973\",\n \"CVE-2017-8309\",\n \"CVE-2017-9373\",\n \"CVE-2017-9374\",\n \"CVE-2018-10839\",\n \"CVE-2018-12126\",\n \"CVE-2018-12127\",\n \"CVE-2018-12130\",\n \"CVE-2018-15746\",\n \"CVE-2018-17958\",\n \"CVE-2018-17963\",\n \"CVE-2019-11091\",\n \"CVE-2019-6778\"\n );\n script_bugtraq_id(66955, 67483, 74809);\n script_xref(name:\"CEA-ID\", value:\"CEA-2019-0547\");\n script_xref(name:\"CEA-ID\", value:\"CEA-2019-0324\");\n\n script_name(english:\"EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2019-2431)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote EulerOS host is missing multiple security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"According to the versions of the qemu-kvm packages installed, the\nEulerOS installation on the remote host is affected by the following\nvulnerabilities :\n\n - Race condition in QEMU in Xen allows local x86 HVM\n guest OS administrators to gain privileges by changing\n certain data on shared rings, aka a 'double fetch'\n vulnerability.(CVE-2016-9381)\n\n - The ohci_bus_start function in the USB OHCI emulation\n support (hw/usb/hcd-ohci.c) in QEMU allows local guest\n OS administrators to cause a denial of service (NULL\n pointer dereference and QEMU process crash) via vectors\n related to multiple eof_timers.(CVE-2016-2391)\n\n - qemu_deliver_packet_iov in net/net.c in Qemu accepts\n packet sizes greater than INT_MAX, which allows\n attackers to cause a denial of service or possibly have\n unspecified other impact.(CVE-2018-17963)\n\n - Memory leak in the serial_exit_core function in\n hw/char/serial.c in QEMU (aka Quick Emulator) allows\n local guest OS privileged users to cause a denial of\n service (host memory consumption and QEMU process\n crash) via a large number of device unplug\n operations.(CVE-2017-5579)\n\n - Memory leak in QEMU (aka Quick Emulator), when built\n with IDE AHCI Emulation support, allows local guest OS\n privileged users to cause a denial of service (memory\n consumption) by repeatedly hot-unplugging the AHCI\n device.(CVE-2017-9373)\n\n - Microarchitectural Store Buffer Data Sampling (MSBDS):\n Store buffers on some microprocessors utilizing\n speculative execution may allow an authenticated user\n to potentially enable information disclosure via a side\n channel with local access. A list of impacted products\n can be found here:\n https://www.intel.com/content/dam/www/public/us/en/docu\n ments/corporate-information/SA00233-microcode-update-gu\n idance_05132019.pdf(CVE-2018-12126)\n\n - Microarchitectural Data Sampling Uncacheable Memory\n (MDSUM): Uncacheable memory on some microprocessors\n utilizing speculative execution may allow an\n authenticated user to potentially enable information\n disclosure via a side channel with local access. A list\n of impacted products can be found here:\n https://www.intel.com/content/dam/www/public/us/en/docu\n ments/corporate-information/SA00233-microcode-update-gu\n idance_05132019.pdf(CVE-2019-11091)\n\n - Microarchitectural Fill Buffer Data Sampling (MFBDS):\n Fill buffers on some microprocessors utilizing\n speculative execution may allow an authenticated user\n to potentially enable information disclosure via a side\n channel with local access. A list of impacted products\n can be found here:\n https://www.intel.com/content/dam/www/public/us/en/docu\n ments/corporate-information/SA00233-microcode-update-gu\n idance_05132019.pdf(CVE-2018-12130)\n\n - Microarchitectural Load Port Data Sampling (MLPDS):\n Load ports on some microprocessors utilizing\n speculative execution may allow an authenticated user\n to potentially enable information disclosure via a side\n channel with local access. A list of impacted products\n can be found here:\n https://www.intel.com/content/dam/www/public/us/en/docu\n ments/corporate-information/SA00233-microcode-update-gu\n idance_05132019.pdf(CVE-2018-12127)\n\n - Directory traversal vulnerability in hw/9pfs/9p.c in\n QEMU (aka Quick Emulator) allows local guest OS\n administrators to access host files outside the export\n path via a .. (dot dot) in an unspecified\n string.(CVE-2016-7116)\n\n - QEMU, when built with the Pseudo Random Number\n Generator (PRNG) back-end support, allows local guest\n OS users to cause a denial of service (process crash)\n via an entropy request, which triggers arbitrary stack\n based allocation and memory corruption.(CVE-2016-2858)\n\n - hw/ide/core.c in QEMU does not properly restrict the\n commands accepted by an ATAPI device, which allows\n guest users to cause a denial of service or possibly\n have unspecified other impact via certain IDE commands,\n as demonstrated by a WIN_READ_NATIVE_MAX command to an\n empty drive, which triggers a divide-by-zero error and\n instance crash.(CVE-2015-6855)\n\n - The slirp_smb function in net/slirp.c in QEMU 2.3.0 and\n earlier creates temporary files with predictable names,\n which allows local users to cause a denial of service\n (instantiation failure) by creating /tmp/qemu-smb.*-*\n files before the program.(CVE-2015-4037)\n\n - The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka\n Quick Emulator) allows local guest OS privileged users\n to cause a denial of service (NULL pointer dereference\n and QEMU process crash) by leveraging failure to define\n the .write method.(CVE-2015-7549)\n\n - The ne2000_receive function in the NE2000 NIC emulation\n support (hw/net/ne2000.c) in QEMU before 2.5.1 allows\n local guest OS administrators to cause a denial of\n service (infinite loop and QEMU process crash) via\n crafted values for the PSTART and PSTOP registers,\n involving ring buffer control.(CVE-2016-2841)\n\n - The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU\n (aka Quick Emulator) does not properly limit the buffer\n descriptor count when transmitting packets, which\n allows local guest OS administrators to cause a denial\n of service (infinite loop and QEMU process crash) via\n vectors involving a buffer descriptor with a length of\n 0 and crafted values in bd.flags.(CVE-2016-7908)\n\n - Integer overflow in the macro ROUND_UP (n, d) in Quick\n Emulator (Qemu) allows a user to cause a denial of\n service (Qemu process crash).(CVE-2017-18043)\n\n - The xhci_kick_epctx function in hw/usb/hcd-xhci.c in\n QEMU (aka Quick Emulator) allows local guest OS\n privileged users to cause a denial of service (infinite\n loop and QEMU process crash) via vectors related to\n control transfer descriptor sequence.(CVE-2017-5973)\n\n - Memory leak in QEMU (aka Quick Emulator), when built\n with USB EHCI Emulation support, allows local guest OS\n privileged users to cause a denial of service (memory\n consumption) by repeatedly hot-unplugging the\n device.(CVE-2017-9374)\n\n - Use-after-free vulnerability in hw/ide/ahci.c in QEMU,\n when built with IDE AHCI Emulation support, allows\n guest OS users to cause a denial of service (instance\n crash) or possibly execute arbitrary code via an\n invalid AHCI Native Command Queuing (NCQ) AIO\n command.(CVE-2016-1568)\n\n - Buffer overflow in the stellaris_enet_receive function\n in hw/net/stellaris_enet.c in QEMU, when the Stellaris\n ethernet controller is configured to accept large\n packets, allows remote attackers to cause a denial of\n service (QEMU crash) via a large packet.(CVE-2016-4001)\n\n - Buffer overflow in the mipsnet_receive function in\n hw/net/mipsnet.c in QEMU, when the guest NIC is\n configured to accept large packets, allows remote\n attackers to cause a denial of service (memory\n corruption and QEMU crash) or possibly execute\n arbitrary code via a packet larger than 1514\n bytes.(CVE-2016-4002)\n\n - The pvscsi_ring_pop_req_descr function in\n hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator)\n allows local guest OS administrators to cause a denial\n of service (infinite loop and QEMU process crash) by\n leveraging failure to limit process IO loop to the ring\n size.(CVE-2016-7421)\n\n - Quick Emulator (Qemu) built with the USB redirector\n usb-guest support is vulnerable to a memory leakage\n flaw. It could occur while destroying the USB\n redirector in 'usbredir_handle_destroy'. A guest\n user/process could use this issue to leak host memory,\n resulting in DoS for a host.(CVE-2016-9907)\n\n - qemu-seccomp.c in QEMU might allow local OS guest users\n to cause a denial of service (guest crash) by\n leveraging mishandling of the seccomp policy for\n threads other than the main thread.(CVE-2018-15746)\n\n - Stack-based buffer overflow in hw/usb/redirect.c in\n QEMU (aka Quick Emulator) allows local guest OS users\n to cause a denial of service (QEMU process crash) via\n vectors related to logging debug\n messages.(CVE-2017-10806)\n\n - The dhcp_decode function in slirp/bootp.c in QEMU (aka\n Quick Emulator) allows local guest OS users to cause a\n denial of service (out-of-bounds read and QEMU process\n crash) via a crafted DHCP options\n string.(CVE-2017-11434)\n\n - Memory leak in the audio/audio.c in QEMU (aka Quick\n Emulator) allows remote attackers to cause a denial of\n service (memory consumption) by repeatedly starting and\n stopping audio capture.(CVE-2017-8309)\n\n - Qemu emulator <= 3.0.0 built with the NE2000 NIC\n emulation support is vulnerable to an integer overflow,\n which could lead to buffer overflow issue. It could\n occur when receiving packets over the network. A user\n inside guest could use this flaw to crash the Qemu\n process resulting in DoS.(CVE-2018-10839)\n\n - Qemu has a Buffer Overflow in rtl8139_do_receive in\n hw/net/rtl8139.c because an incorrect integer data type\n is used.(CVE-2018-17958)\n\n - In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a\n heap-based buffer overflow.(CVE-2019-6778)\n\n - The vmxnet_tx_pkt_parse_headers function in\n hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator)\n allows local guest OS administrators to cause a denial\n of service (buffer over-read) by leveraging failure to\n check IP header length.(CVE-2016-6835)\n\n - Memory leak in the v9fs_xattrcreate function in\n hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local\n guest OS administrators to cause a denial of service\n (memory consumption and QEMU process crash) via a large\n number of Txattrcreate messages with the same fid\n number.(CVE-2016-9102)\n\n - The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU\n (aka Quick Emulator) allows local guest OS\n administrators to obtain sensitive host heap memory\n information by reading xattribute values before writing\n to them.(CVE-2016-9103)\n\n - Multiple integer overflows in the (1) v9fs_xattr_read\n and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in\n QEMU (aka Quick Emulator) allow local guest OS\n administrators to cause a denial of service (QEMU\n process crash) via a crafted offset, which triggers an\n out-of-bounds access.(CVE-2016-9104)\n\n - Memory leak in the v9fs_link function in hw/9pfs/9p.c\n in QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (memory\n consumption) via vectors involving a reference to the\n source fid object.(CVE-2016-9105)\n\n - Memory leak in the v9fs_write function in hw/9pfs/9p.c\n in QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (memory\n consumption) by leveraging failure to free an IO\n vector.(CVE-2016-9106)\n\n - Quick Emulator (Qemu) built with the USB EHCI Emulation\n support is vulnerable to a memory leakage issue. It\n could occur while processing packet data in\n 'ehci_init_transfer'. A guest user/process could use\n this issue to leak host memory, resulting in DoS for a\n host.(CVE-2016-9911)\n\n - The net_tx_pkt_do_sw_fragmentation function in\n hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to cause a denial of\n service (infinite loop and QEMU process crash) via a\n zero length for the current fragment\n length.(CVE-2016-6834)\n\n - The vmxnet3_complete_packet function in\n hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to obtain sensitive host\n memory information by leveraging failure to initialize\n the txcq_descr object.(CVE-2016-6836)\n\n - Integer overflow in the net_tx_pkt_init function in\n hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to cause a denial of\n service (QEMU process crash) via the maximum\n fragmentation count, which triggers an unchecked\n multiplication and NULL pointer\n dereference.(CVE-2016-6888)\n\n - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU\n (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and QEMU process crash) by setting the (1) receive\n or (2) transmit descriptor ring length to\n 0.(CVE-2016-7909)\n\n - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in\n QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and QEMU process crash) by leveraging failure to\n limit the number of link Transfer Request Blocks (TRB)\n to process.(CVE-2016-8576)\n\n - The serial_update_parameters function in\n hw/char/serial.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to cause a denial of\n service (divide-by-zero error and QEMU process crash)\n via vectors involving a value of divider greater than\n baud base.(CVE-2016-8669)\n\n - The intel_hda_xfer function in hw/audio/intel-hda.c in\n QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and CPU consumption) via an entry with the same\n value for buffer length and pointer\n position.(CVE-2016-8909)\n\n - The rtl8139_cplus_transmit function in hw/net/rtl8139.c\n in QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and CPU consumption) by leveraging failure to\n limit the ring descriptor count.(CVE-2016-8910)\n\n - Stack-based buffer overflow in the\n megasas_ctrl_get_info function in QEMU, when built with\n SCSI MegaRAID SAS HBA emulation support, allows local\n guest users to cause a denial of service (QEMU instance\n crash) via a crafted SCSI controller CTRL_GET_INFO\n command.(CVE-2015-8613)\n\n - QEMU (aka Quick Emulator) built with the USB EHCI\n emulation support is vulnerable to a null pointer\n dereference flaw. It could occur when an application\n attempts to write to EHCI capabilities registers. A\n privileged user inside quest could use this flaw to\n crash the QEMU process instance resulting in\n DoS.(CVE-2016-2198)\n\n - The is_rndis function in the USB Net device emulator\n (hw/usb/dev-network.c) in QEMU before 2.5.1 does not\n properly validate USB configuration descriptor objects,\n which allows local guest OS administrators to cause a\n denial of service (NULL pointer dereference and QEMU\n process crash) via vectors involving a remote NDIS\n control message packet.(CVE-2016-2392)\n\n - The ehci_advance_state function in hw/usb/hcd-ehci.c in\n QEMU allows local guest OS administrators to cause a\n denial of service (infinite loop and CPU consumption)\n via a circular split isochronous transfer descriptor\n (siTD) list, a related issue to\n CVE-2015-8558.(CVE-2016-4037)\n\n - The vmsvga_fifo_run function in hw/display/vmware_vga.c\n in QEMU allows local guest OS administrators to cause a\n denial of service (infinite loop and QEMU process\n crash) via a VGA command.(CVE-2016-4453)\n\n - The vmsvga_fifo_read_raw function in\n hw/display/vmware_vga.c in QEMU allows local guest OS\n administrators to obtain sensitive host memory\n information or cause a denial of service (QEMU process\n crash) by changing FIFO registers and issuing a VGA\n command, which triggers an out-of-bounds\n read.(CVE-2016-4454)\n\n - hw/virtio/virtio.c in the Virtual Network Device\n (virtio-net) support in QEMU, when big or mergeable\n receive buffers are not supported, allows remote\n attackers to cause a denial of service (guest network\n consumption) via a flood of jumbo frames on the (1)\n tuntap or (2) macvtap interface.(CVE-2015-7295)\n\n - The eepro100 emulator in QEMU qemu-kvm blank allows\n local guest users to cause a denial of service\n (application crash and infinite loop) via vectors\n involving the command block list.(CVE-2015-8345)\n\n - Qemu, when built with VNC display driver support,\n allows remote attackers to cause a denial of service\n (arithmetic exception and application crash) via\n crafted SetPixelFormat messages from a\n client.(CVE-2015-8504)\n\n - The ehci_process_itd function in hw/usb/hcd-ehci.c in\n QEMU allows local guest OS administrators to cause a\n denial of service (infinite loop and CPU consumption)\n via a circular isochronous transfer descriptor (iTD)\n list.(CVE-2015-8558)\n\n - Memory leak in net/vmxnet3.c in QEMU allows remote\n attackers to cause a denial of service (memory\n consumption).(CVE-2015-8567)\n\n - Memory leak in QEMU, when built with a VMWARE VMXNET3\n paravirtual NIC emulator support, allows local guest\n users to cause a denial of service (host memory\n consumption) by trying to activate the vmxnet3 device\n repeatedly.(CVE-2015-8568)\n\n - Buffer overflow in the pxa2xx_ssp_load function in\n hw/arm/pxa2xx.c in QEMU before 1.7.2 allows remote\n attackers to cause a denial of service or possibly\n execute arbitrary code via a crafted s->rx_level value\n in a savevm image.(CVE-2013-4533)\n\n - hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier\n allows local guest users to cause a denial of service\n or possibly execute arbitrary code via vectors related\n to (1) RX or (2) TX queue numbers or (3) interrupt\n indices. 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As qemu-kvm requires no host kernel patches to run, it is safe and easy to use.Security Fix(es):Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (memory consumption) via vectors involving the orig_value variable.(CVE-2017-8086)The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.(CVE-2017-11434)** DISPUTED\n ** QEMU 3.0.0 has an Integer Overflow because the qga/commands*.c files do not check the length of the argument list or the number of environment variables.\n NOTE: This has been disputed as not exploitable.(CVE-2019-12247)** DISPUTED ** An issue was discovered in ide_dma_cb() in hw/ide/core.c in QEMU 2.4.0 through 4.2.0. The guest system can crash the QEMU process in the host system via a special SCSI_IOCTL_SEND_COMMAND. It hits an assertion that implies that the size of successful DMA transfers there must be a multiple of 512 (the size of a sector). NOTE:\n a member of the QEMU security team disputes the significance of this issue because a 'privileged guest user has many ways to cause similar DoS effect, without triggering this assert.'(CVE-2019-20175)QEMU (aka Quick Emulator), when built with the IDE disk and CD/DVD-ROM Emulator support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by flushing an empty CDROM device drive. (CVE-2017-12809)The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.\n (CVE-2017-17381)The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via a large interval timer reload value.\n (CVE-2016-8667)Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display. 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CVE-2015-5278: Infinite loop in ne2000_receive()\n function (bsc#945989).\n\n - CVE-2015-6855: hw/ide/core.c did not properly restrict\n the commands accepted by an ATAPI device, which allowed\n guest users to cause a denial of service or possibly\n have unspecified other impact via certain IDE commands,\n as demonstrated by a WIN_READ_NATIVE_MAX command to an\n empty drive, which triggers a divide-by-zero error and\n instance crash (bsc#945404).\n\n - CVE-2015-7512: Buffer overflow in the pcnet_receive\n function in hw/net/pcnet.c, when a guest NIC has a\n larger MTU, allowed remote attackers to cause a denial\n of service (guest OS crash) or execute arbitrary code\n via a large packet (bsc#957162).\n\n - CVE-2015-8345: eepro100: infinite loop in processing\n command block list (bsc#956829).\n\n - CVE-2015-8504: VNC: floating point exception\n (bsc#958491).\n\n - CVE-2015-8550: Paravirtualized drivers were incautious\n about shared memory contents (XSA-155) (bsc#957988).\n\n - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling\n (XSA-164) (bsc#958007).\n\n - CVE-2015-8555: Information leak in legacy x86 FPU/XMM\n initialization (XSA-165) (bsc#958009).\n\n - CVE-2015-8558: Infinite loop in ehci_advance_state\n resulted in DoS (bsc#959005).\n\n - CVE-2015-8743: ne2000: OOB memory access in ioport r/w\n functions (bsc#960725).\n\n - CVE-2015-8745: Reading IMR registers lead to a crash via\n assert(2) call (bsc#960707).\n\n - CVE-2016-1568: AHCI use-after-free vulnerability in aio\n port commands (bsc#961332).\n\n - CVE-2016-1570: The PV superpage functionality in\n arch/x86/mm.c allowed local PV guests to obtain\n sensitive information, cause a denial of service, gain\n privileges, or have unspecified other impact via a\n crafted page identifier (MFN) to the (1)\n MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in\n the HYPERVISOR_mmuext_op hypercall or (3) unknown\n vectors related to page table updates (bsc#960861).\n\n - CVE-2016-1571: VMX: intercept issue with INVLPG on\n non-canonical address (XSA-168) (bsc#960862).\n\n - CVE-2016-1714: nvram: OOB r/w access in processing\n firmware configurations (bsc#961691).\n\n - CVE-2016-1981: e1000 infinite loop in start_xmit and\n e1000_receive_iov routines (bsc#963782).\n\n - CVE-2016-2270: Xen allowed local guest administrators to\n cause a denial of service (host reboot) via vectors\n related to multiple mappings of MMIO pages with\n different cachability settings (bsc#965315).\n\n - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,\n allowed local HVM guest users to cause a denial of\n service (guest crash) via vectors related to a\n non-canonical RIP (bsc#965317).\n\n - CVE-2016-2391: usb: multiple eof_timers in ohci module\n lead to NULL pointer dereference (bsc#967013).\n\n - CVE-2016-2392: NULL pointer dereference in remote NDIS\n control message handling (bsc#967012).\n\n - CVE-2016-2538: Integer overflow in remote NDIS control\n message handling (bsc#967969).\n\n - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive\n (bsc#969350).\n\n - XSA-166: ioreq handling possibly susceptible to multiple\n read issue (bsc#958523).\n\nThe update package also includes non-security fixes. 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following vulnerabilities :\n\n - In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.(CVE-2020-8608)\n\n - This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.(CVE-2019-11135)\n\n - tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.(CVE-2020-7039)\n\n - ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the first fragment.(CVE-2019-14378)\n\n - Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.(CVE-2015-5239)\n\n - Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows guest users to cause a denial of service (QEMU process crash) via a crafted virtio control message.(CVE-2015-5745)\n\n - The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute arbitrary code via vectors related to receiving packets.(CVE-2015-5278)\n\n - The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.(CVE-2015-6815)\n\n - Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via vectors related to receiving packets.(CVE-2015-5279)\n\n - Heap-based buffer overflow in the .receive callback of xlnx.xps-ethernetlite in QEMU (aka Quick Emulator) allows attackers to execute arbitrary code on the QEMU host via a large ethlite packet.(CVE-2016-7161)\n\n - hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier allows local guest users to cause a denial of service or possibly execute arbitrary code via vectors related to (1) RX or (2) TX queue numbers or (3) interrupt indices. NOTE: some of these details are obtained from third party information.(CVE-2013-4544)\n\n - The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files with predictable names, which allows local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program.(CVE-2015-4037)\n\n - hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash.(CVE-2015-6855)\n\n - hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.(CVE-2015-7295)\n\n - The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.(CVE-2015-7549)\n\n - The eepro100 emulator in QEMU qemu-kvm blank allows local guest users to cause a denial of service (application crash and infinite loop) via vectors involving the command block list.(CVE-2015-8345)\n\n - Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client.(CVE-2015-8504)\n\n - The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.(CVE-2015-8558)\n\n - Memory leak in net/vmxnet3.c in QEMU allows remote attackers to cause a denial of service (memory consumption).(CVE-2015-8567)\n\n - Memory leak in QEMU, when built with a VMWARE VMXNET3 paravirtual NIC emulator support, allows local guest users to cause a denial of service (host memory consumption) by trying to activate the vmxnet3 device repeatedly.(CVE-2015-8568)\n\n - Stack-based buffer overflow in the megasas_ctrl_get_info function in QEMU, when built with SCSI MegaRAID SAS HBA emulation support, allows local guest users to cause a denial of service (QEMU instance crash) via a crafted SCSI controller CTRL_GET_INFO command.(CVE-2015-8613)\n\n - Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.(CVE-2016-1568)\n\n - QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.(CVE-2016-2198)\n\n - The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.(CVE-2016-2391)\n\n - The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not properly validate USB configuration descriptor objects, which allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet.(CVE-2016-2392)\n\n - Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.(CVE-2016-2538)\n\n - The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.(CVE-2016-2841)\n\n - QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.(CVE-2016-2858)\n\n - Buffer overflow in the stellaris_enet_receive function in hw/net/stellaris_enet.c in QEMU, when the Stellaris ethernet controller is configured to accept large packets, allows remote attackers to cause a denial of service (QEMU crash) via a large packet.(CVE-2016-4001)\n\n - Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.(CVE-2016-4002)\n\n - The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.(CVE-2016-4037)\n\n - The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command.(CVE-2016-4453)\n\n - The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.(CVE-2016-4454)\n\n - The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.(CVE-2016-6834)\n\n - The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.(CVE-2016-6835)\n\n - The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.(CVE-2016-6836)\n\n - Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.(CVE-2016-6888)\n\n - Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a .. (dot dot) in an unspecified string.(CVE-2016-7116)\n\n - The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.(CVE-2016-7421)\n\n - The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.(CVE-2016-7908)\n\n - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.(CVE-2016-7909)\n\n - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.(CVE-2016-8576)\n\n - The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.(CVE-2016-8669)\n\n - The intel_hda_xfer function in hw/audio/intel-hda.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via an entry with the same value for buffer length and pointer position.(CVE-2016-8909)\n\n - The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.(CVE-2016-8910)\n\n - Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.(CVE-2016-9102)\n\n - The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host heap memory information by reading xattribute values before writing to them.(CVE-2016-9103)\n\n - Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.(CVE-2016-9104)\n\n - Memory leak in the v9fs_link function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via vectors involving a reference to the source fid object.(CVE-2016-9105)\n\n - Memory leak in the v9fs_write function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) by leveraging failure to free an IO vector.(CVE-2016-9106)\n\n - Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a 'double fetch' vulnerability.(CVE-2016-9381)\n\n - Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.(CVE-2016-9907)\n\n - Quick Emulator (Qemu) built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in 'ehci_init_transfer'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.(CVE-2016-9911)\n\n - Stack-based buffer overflow in hw/usb/redirect.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU process crash) via vectors related to logging debug messages.(CVE-2017-10806)\n\n - The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.(CVE-2017-11434)\n\n - Integer overflow in the macro ROUND_UP (n, d) in Quick Emulator (Qemu) allows a user to cause a denial of service (Qemu process crash).(CVE-2017-18043)\n\n - Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.(CVE-2017-5579)\n\n - The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.(CVE-2017-5973)\n\n - Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.(CVE-2017-8309)\n\n - Memory leak in QEMU (aka Quick Emulator), when built with IDE AHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the AHCI device.(CVE-2017-9373)\n\n - Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the device.(CVE-2017-9374)\n\n - Qemu emulator <= 3.0.0 built with the NE2000 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS.(CVE-2018-10839)\n\n - qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.(CVE-2018-15746)\n\n - Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.(CVE-2018-17958)\n\n - qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.(CVE-2018-17963)\n\n - In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.(CVE-2019-6778)\n\nNote that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-04-15T00:00:00", "type": "nessus", "title": "EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)", "bulletinFamily": "scanner", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2013-4544", "CVE-2015-4037", "CVE-2015-5239", "CVE-2015-5278", "CVE-2015-5279", "CVE-2015-5745", "CVE-2015-6815", "CVE-2015-6855", "CVE-2015-7295", "CVE-2015-7549", "CVE-2015-8345", "CVE-2015-8504", "CVE-2015-8558", "CVE-2015-8567", "CVE-2015-8568", "CVE-2015-8613", "CVE-2016-1568", "CVE-2016-2198", "CVE-2016-2391", "CVE-2016-2392", "CVE-2016-2538", "CVE-2016-2841", "CVE-2016-2858", "CVE-2016-4001", "CVE-2016-4002", "CVE-2016-4037", "CVE-2016-4453", "CVE-2016-4454", "CVE-2016-6834", "CVE-2016-6835", "CVE-2016-6836", "CVE-2016-6888", "CVE-2016-7116", "CVE-2016-7161", "CVE-2016-7421", "CVE-2016-7908", "CVE-2016-7909", "CVE-2016-8576", "CVE-2016-8669", "CVE-2016-8909", "CVE-2016-8910", "CVE-2016-9102", "CVE-2016-9103", "CVE-2016-9104", "CVE-2016-9105", "CVE-2016-9106", "CVE-2016-9381", "CVE-2016-9907", "CVE-2016-9911", "CVE-2017-10806", "CVE-2017-11434", "CVE-2017-18043", "CVE-2017-5579", "CVE-2017-5973", "CVE-2017-8309", "CVE-2017-9373", "CVE-2017-9374", "CVE-2018-10839", "CVE-2018-15746", "CVE-2018-17958", "CVE-2018-17963", "CVE-2019-11135", "CVE-2019-14378", "CVE-2019-6778", "CVE-2020-7039", "CVE-2020-8608"], "modified": "2021-01-06T00:00:00", "cpe": ["p-cpe:/a:huawei:euleros:qemu-img", "p-cpe:/a:huawei:euleros:qemu-kvm", "p-cpe:/a:huawei:euleros:qemu-kvm-common", "cpe:/o:huawei:euleros:2.0"], "id": "EULEROS_SA-2020-1430.NASL", "href": "https://www.tenable.com/plugins/nessus/135559", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(135559);\n script_version(\"1.6\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/06\");\n\n script_cve_id(\n \"CVE-2013-4544\",\n \"CVE-2015-4037\",\n \"CVE-2015-5239\",\n \"CVE-2015-5278\",\n \"CVE-2015-5279\",\n \"CVE-2015-5745\",\n \"CVE-2015-6815\",\n \"CVE-2015-6855\",\n \"CVE-2015-7295\",\n \"CVE-2015-7549\",\n \"CVE-2015-8345\",\n \"CVE-2015-8504\",\n \"CVE-2015-8558\",\n \"CVE-2015-8567\",\n \"CVE-2015-8568\",\n \"CVE-2015-8613\",\n \"CVE-2016-1568\",\n \"CVE-2016-2198\",\n \"CVE-2016-2391\",\n \"CVE-2016-2392\",\n \"CVE-2016-2538\",\n \"CVE-2016-2841\",\n \"CVE-2016-2858\",\n \"CVE-2016-4001\",\n \"CVE-2016-4002\",\n \"CVE-2016-4037\",\n \"CVE-2016-4453\",\n \"CVE-2016-4454\",\n \"CVE-2016-6834\",\n \"CVE-2016-6835\",\n \"CVE-2016-6836\",\n \"CVE-2016-6888\",\n \"CVE-2016-7116\",\n \"CVE-2016-7161\",\n \"CVE-2016-7421\",\n \"CVE-2016-7908\",\n \"CVE-2016-7909\",\n \"CVE-2016-8576\",\n \"CVE-2016-8669\",\n \"CVE-2016-8909\",\n \"CVE-2016-8910\",\n \"CVE-2016-9102\",\n \"CVE-2016-9103\",\n \"CVE-2016-9104\",\n \"CVE-2016-9105\",\n \"CVE-2016-9106\",\n \"CVE-2016-9381\",\n \"CVE-2016-9907\",\n \"CVE-2016-9911\",\n \"CVE-2017-10806\",\n \"CVE-2017-11434\",\n \"CVE-2017-18043\",\n \"CVE-2017-5579\",\n \"CVE-2017-5973\",\n \"CVE-2017-8309\",\n \"CVE-2017-9373\",\n \"CVE-2017-9374\",\n \"CVE-2018-10839\",\n \"CVE-2018-15746\",\n \"CVE-2018-17958\",\n \"CVE-2018-17963\",\n \"CVE-2019-11135\",\n \"CVE-2019-14378\",\n \"CVE-2019-6778\",\n \"CVE-2020-7039\",\n \"CVE-2020-8608\"\n );\n script_bugtraq_id(\n 66955,\n 74809\n );\n\n script_name(english:\"EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)\");\n script_summary(english:\"Checks the rpm output for the updated packages.\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote EulerOS host is missing multiple security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"According to the versions of the qemu-kvm packages installed, the\nEulerOS installation on the remote host is affected by the following\nvulnerabilities :\n\n - In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c\n misuses snprintf return values, leading to a buffer\n overflow in later code.(CVE-2020-8608)\n\n - This vulnerability has been modified since it was last\n analyzed by the NVD. It is awaiting reanalysis which\n may result in further changes to the information\n provided.(CVE-2019-11135)\n\n - tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in\n QEMU 4.2.0, mismanages memory, as demonstrated by IRC\n DCC commands in EMU_IRC. This can cause a heap-based\n buffer overflow or other out-of-bounds access which can\n lead to a DoS or potential execute arbitrary\n code.(CVE-2020-7039)\n\n - ip_reass in ip_input.c in libslirp 4.0.0 has a\n heap-based buffer overflow via a large packet because\n it mishandles a case involving the first\n fragment.(CVE-2019-14378)\n\n - Integer overflow in the VNC display driver in QEMU\n before 2.1.0 allows attachers to cause a denial of\n service (process crash) via a CLIENT_CUT_TEXT message,\n which triggers an infinite loop.(CVE-2015-5239)\n\n - Buffer overflow in the send_control_msg function in\n hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows\n guest users to cause a denial of service (QEMU process\n crash) via a crafted virtio control\n message.(CVE-2015-5745)\n\n - The ne2000_receive function in hw/net/ne2000.c in QEMU\n before 2.4.0.1 allows attackers to cause a denial of\n service (infinite loop and instance crash) or possibly\n execute arbitrary code via vectors related to receiving\n packets.(CVE-2015-5278)\n\n - The process_tx_desc function in hw/net/e1000.c in QEMU\n before 2.4.0.1 does not properly process transmit\n descriptor data when sending a network packet, which\n allows attackers to cause a denial of service (infinite\n loop and guest crash) via unspecified\n vectors.(CVE-2015-6815)\n\n - Heap-based buffer overflow in the ne2000_receive\n function in hw/net/ne2000.c in QEMU before 2.4.0.1\n allows guest OS users to cause a denial of service\n (instance crash) or possibly execute arbitrary code via\n vectors related to receiving packets.(CVE-2015-5279)\n\n - Heap-based buffer overflow in the .receive callback of\n xlnx.xps-ethernetlite in QEMU (aka Quick Emulator)\n allows attackers to execute arbitrary code on the QEMU\n host via a large ethlite packet.(CVE-2016-7161)\n\n - hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier\n allows local guest users to cause a denial of service\n or possibly execute arbitrary code via vectors related\n to (1) RX or (2) TX queue numbers or (3) interrupt\n indices. NOTE: some of these details are obtained from\n third party information.(CVE-2013-4544)\n\n - The slirp_smb function in net/slirp.c in QEMU 2.3.0 and\n earlier creates temporary files with predictable names,\n which allows local users to cause a denial of service\n (instantiation failure) by creating /tmp/qemu-smb.*-*\n files before the program.(CVE-2015-4037)\n\n - hw/ide/core.c in QEMU does not properly restrict the\n commands accepted by an ATAPI device, which allows\n guest users to cause a denial of service or possibly\n have unspecified other impact via certain IDE commands,\n as demonstrated by a WIN_READ_NATIVE_MAX command to an\n empty drive, which triggers a divide-by-zero error and\n instance crash.(CVE-2015-6855)\n\n - hw/virtio/virtio.c in the Virtual Network Device\n (virtio-net) support in QEMU, when big or mergeable\n receive buffers are not supported, allows remote\n attackers to cause a denial of service (guest network\n consumption) via a flood of jumbo frames on the (1)\n tuntap or (2) macvtap interface.(CVE-2015-7295)\n\n - The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka\n Quick Emulator) allows local guest OS privileged users\n to cause a denial of service (NULL pointer dereference\n and QEMU process crash) by leveraging failure to define\n the .write method.(CVE-2015-7549)\n\n - The eepro100 emulator in QEMU qemu-kvm blank allows\n local guest users to cause a denial of service\n (application crash and infinite loop) via vectors\n involving the command block list.(CVE-2015-8345)\n\n - Qemu, when built with VNC display driver support,\n allows remote attackers to cause a denial of service\n (arithmetic exception and application crash) via\n crafted SetPixelFormat messages from a\n client.(CVE-2015-8504)\n\n - The ehci_process_itd function in hw/usb/hcd-ehci.c in\n QEMU allows local guest OS administrators to cause a\n denial of service (infinite loop and CPU consumption)\n via a circular isochronous transfer descriptor (iTD)\n list.(CVE-2015-8558)\n\n - Memory leak in net/vmxnet3.c in QEMU allows remote\n attackers to cause a denial of service (memory\n consumption).(CVE-2015-8567)\n\n - Memory leak in QEMU, when built with a VMWARE VMXNET3\n paravirtual NIC emulator support, allows local guest\n users to cause a denial of service (host memory\n consumption) by trying to activate the vmxnet3 device\n repeatedly.(CVE-2015-8568)\n\n - Stack-based buffer overflow in the\n megasas_ctrl_get_info function in QEMU, when built with\n SCSI MegaRAID SAS HBA emulation support, allows local\n guest users to cause a denial of service (QEMU instance\n crash) via a crafted SCSI controller CTRL_GET_INFO\n command.(CVE-2015-8613)\n\n - Use-after-free vulnerability in hw/ide/ahci.c in QEMU,\n when built with IDE AHCI Emulation support, allows\n guest OS users to cause a denial of service (instance\n crash) or possibly execute arbitrary code via an\n invalid AHCI Native Command Queuing (NCQ) AIO\n command.(CVE-2016-1568)\n\n - QEMU (aka Quick Emulator) built with the USB EHCI\n emulation support is vulnerable to a null pointer\n dereference flaw. It could occur when an application\n attempts to write to EHCI capabilities registers. A\n privileged user inside quest could use this flaw to\n crash the QEMU process instance resulting in\n DoS.(CVE-2016-2198)\n\n - The ohci_bus_start function in the USB OHCI emulation\n support (hw/usb/hcd-ohci.c) in QEMU allows local guest\n OS administrators to cause a denial of service (NULL\n pointer dereference and QEMU process crash) via vectors\n related to multiple eof_timers.(CVE-2016-2391)\n\n - The is_rndis function in the USB Net device emulator\n (hw/usb/dev-network.c) in QEMU before 2.5.1 does not\n properly validate USB configuration descriptor objects,\n which allows local guest OS administrators to cause a\n denial of service (NULL pointer dereference and QEMU\n process crash) via vectors involving a remote NDIS\n control message packet.(CVE-2016-2392)\n\n - Multiple integer overflows in the USB Net device\n emulator (hw/usb/dev-network.c) in QEMU before 2.5.1\n allow local guest OS administrators to cause a denial\n of service (QEMU process crash) or obtain sensitive\n host memory information via a remote NDIS control\n message packet that is mishandled in the (1)\n rndis_query_response, (2) rndis_set_response, or (3)\n usb_net_handle_dataout function.(CVE-2016-2538)\n\n - The ne2000_receive function in the NE2000 NIC emulation\n support (hw/net/ne2000.c) in QEMU before 2.5.1 allows\n local guest OS administrators to cause a denial of\n service (infinite loop and QEMU process crash) via\n crafted values for the PSTART and PSTOP registers,\n involving ring buffer control.(CVE-2016-2841)\n\n - QEMU, when built with the Pseudo Random Number\n Generator (PRNG) back-end support, allows local guest\n OS users to cause a denial of service (process crash)\n via an entropy request, which triggers arbitrary stack\n based allocation and memory corruption.(CVE-2016-2858)\n\n - Buffer overflow in the stellaris_enet_receive function\n in hw/net/stellaris_enet.c in QEMU, when the Stellaris\n ethernet controller is configured to accept large\n packets, allows remote attackers to cause a denial of\n service (QEMU crash) via a large packet.(CVE-2016-4001)\n\n - Buffer overflow in the mipsnet_receive function in\n hw/net/mipsnet.c in QEMU, when the guest NIC is\n configured to accept large packets, allows remote\n attackers to cause a denial of service (memory\n corruption and QEMU crash) or possibly execute\n arbitrary code via a packet larger than 1514\n bytes.(CVE-2016-4002)\n\n - The ehci_advance_state function in hw/usb/hcd-ehci.c in\n QEMU allows local guest OS administrators to cause a\n denial of service (infinite loop and CPU consumption)\n via a circular split isochronous transfer descriptor\n (siTD) list, a related issue to\n CVE-2015-8558.(CVE-2016-4037)\n\n - The vmsvga_fifo_run function in hw/display/vmware_vga.c\n in QEMU allows local guest OS administrators to cause a\n denial of service (infinite loop and QEMU process\n crash) via a VGA command.(CVE-2016-4453)\n\n - The vmsvga_fifo_read_raw function in\n hw/display/vmware_vga.c in QEMU allows local guest OS\n administrators to obtain sensitive host memory\n information or cause a denial of service (QEMU process\n crash) by changing FIFO registers and issuing a VGA\n command, which triggers an out-of-bounds\n read.(CVE-2016-4454)\n\n - The net_tx_pkt_do_sw_fragmentation function in\n hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to cause a denial of\n service (infinite loop and QEMU process crash) via a\n zero length for the current fragment\n length.(CVE-2016-6834)\n\n - The vmxnet_tx_pkt_parse_headers function in\n hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator)\n allows local guest OS administrators to cause a denial\n of service (buffer over-read) by leveraging failure to\n check IP header length.(CVE-2016-6835)\n\n - The vmxnet3_complete_packet function in\n hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to obtain sensitive host\n memory information by leveraging failure to initialize\n the txcq_descr object.(CVE-2016-6836)\n\n - Integer overflow in the net_tx_pkt_init function in\n hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to cause a denial of\n service (QEMU process crash) via the maximum\n fragmentation count, which triggers an unchecked\n multiplication and NULL pointer\n dereference.(CVE-2016-6888)\n\n - Directory traversal vulnerability in hw/9pfs/9p.c in\n QEMU (aka Quick Emulator) allows local guest OS\n administrators to access host files outside the export\n path via a .. (dot dot) in an unspecified\n string.(CVE-2016-7116)\n\n - The pvscsi_ring_pop_req_descr function in\n hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator)\n allows local guest OS administrators to cause a denial\n of service (infinite loop and QEMU process crash) by\n leveraging failure to limit process IO loop to the ring\n size.(CVE-2016-7421)\n\n - The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU\n (aka Quick Emulator) does not properly limit the buffer\n descriptor count when transmitting packets, which\n allows local guest OS administrators to cause a denial\n of service (infinite loop and QEMU process crash) via\n vectors involving a buffer descriptor with a length of\n 0 and crafted values in bd.flags.(CVE-2016-7908)\n\n - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU\n (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and QEMU process crash) by setting the (1) receive\n or (2) transmit descriptor ring length to\n 0.(CVE-2016-7909)\n\n - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in\n QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and QEMU process crash) by leveraging failure to\n limit the number of link Transfer Request Blocks (TRB)\n to process.(CVE-2016-8576)\n\n - The serial_update_parameters function in\n hw/char/serial.c in QEMU (aka Quick Emulator) allows\n local guest OS administrators to cause a denial of\n service (divide-by-zero error and QEMU process crash)\n via vectors involving a value of divider greater than\n baud base.(CVE-2016-8669)\n\n - The intel_hda_xfer function in hw/audio/intel-hda.c in\n QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and CPU consumption) via an entry with the same\n value for buffer length and pointer\n position.(CVE-2016-8909)\n\n - The rtl8139_cplus_transmit function in hw/net/rtl8139.c\n in QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (infinite\n loop and CPU consumption) by leveraging failure to\n limit the ring descriptor count.(CVE-2016-8910)\n\n - Memory leak in the v9fs_xattrcreate function in\n hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local\n guest OS administrators to cause a denial of service\n (memory consumption and QEMU process crash) via a large\n number of Txattrcreate messages with the same fid\n number.(CVE-2016-9102)\n\n - The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU\n (aka Quick Emulator) allows local guest OS\n administrators to obtain sensitive host heap memory\n information by reading xattribute values before writing\n to them.(CVE-2016-9103)\n\n - Multiple integer overflows in the (1) v9fs_xattr_read\n and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in\n QEMU (aka Quick Emulator) allow local guest OS\n administrators to cause a denial of service (QEMU\n process crash) via a crafted offset, which triggers an\n out-of-bounds access.(CVE-2016-9104)\n\n - Memory leak in the v9fs_link function in hw/9pfs/9p.c\n in QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (memory\n consumption) via vectors involving a reference to the\n source fid object.(CVE-2016-9105)\n\n - Memory leak in the v9fs_write function in hw/9pfs/9p.c\n in QEMU (aka Quick Emulator) allows local guest OS\n administrators to cause a denial of service (memory\n consumption) by leveraging failure to free an IO\n vector.(CVE-2016-9106)\n\n - Race condition in QEMU in Xen allows local x86 HVM\n guest OS administrators to gain privileges by changing\n certain data on shared rings, aka a 'double fetch'\n vulnerability.(CVE-2016-9381)\n\n - Quick Emulator (Qemu) built with the USB redirector\n usb-guest support is vulnerable to a memory leakage\n flaw. It could occur while destroying the USB\n redirector in 'usbredir_handle_destroy'. A guest\n user/process could use this issue to leak host memory,\n resulting in DoS for a host.(CVE-2016-9907)\n\n - Quick Emulator (Qemu) built with the USB EHCI Emulation\n support is vulnerable to a memory leakage issue. It\n could occur while processing packet data in\n 'ehci_init_transfer'. A guest user/process could use\n this issue to leak host memory, resulting in DoS for a\n host.(CVE-2016-9911)\n\n - Stack-based buffer overflow in hw/usb/redirect.c in\n QEMU (aka Quick Emulator) allows local guest OS users\n to cause a denial of service (QEMU process crash) via\n vectors related to logging debug\n messages.(CVE-2017-10806)\n\n - The dhcp_decode function in slirp/bootp.c in QEMU (aka\n Quick Emulator) allows local guest OS users to cause a\n denial of service (out-of-bounds read and QEMU process\n crash) via a crafted DHCP options\n string.(CVE-2017-11434)\n\n - Integer overflow in the macro ROUND_UP (n, d) in Quick\n Emulator (Qemu) allows a user to cause a denial of\n service (Qemu process crash).(CVE-2017-18043)\n\n - Memory leak in the serial_exit_core function in\n hw/char/serial.c in QEMU (aka Quick Emulator) allows\n local guest OS privileged users to cause a denial of\n service (host memory consumption and QEMU process\n crash) via a large number of device unplug\n operations.(CVE-2017-5579)\n\n - The xhci_kick_epctx function in hw/usb/hcd-xhci.c in\n QEMU (aka Quick Emulator) allows local guest OS\n privileged users to cause a denial of service (infinite\n loop and QEMU process crash) via vectors related to\n control transfer descriptor sequence.(CVE-2017-5973)\n\n - Memory leak in the audio/audio.c in QEMU (aka Quick\n Emulator) allows remote attackers to cause a denial of\n service (memory consumption) by repeatedly starting and\n stopping audio capture.(CVE-2017-8309)\n\n - Memory leak in QEMU (aka Quick Emulator), when built\n with IDE AHCI Emulation support, allows local guest OS\n privileged users to cause a denial of service (memory\n consumption) by repeatedly hot-unplugging the AHCI\n device.(CVE-2017-9373)\n\n - Memory leak in QEMU (aka Quick Emulator), when built\n with USB EHCI Emulation support, allows local guest OS\n privileged users to cause a denial of service (memory\n consumption) by repeatedly hot-unplugging the\n device.(CVE-2017-9374)\n\n - Qemu emulator <= 3.0.0 built with the NE2000 NIC\n emulation support is vulnerable to an integer overflow,\n which could lead to buffer overflow issue. It could\n occur when receiving packets over the network. A user\n inside guest could use this flaw to crash the Qemu\n process resulting in DoS.(CVE-2018-10839)\n\n - qemu-seccomp.c in QEMU might allow local OS guest users\n to cause a denial of service (guest crash) by\n leveraging mishandling of the seccomp policy for\n threads other than the main thread.(CVE-2018-15746)\n\n - Qemu has a Buffer Overflow in rtl8139_do_receive in\n hw/net/rtl8139.c because an incorrect integer data type\n is used.(CVE-2018-17958)\n\n - qemu_deliver_packet_iov in net/net.c in Qemu accepts\n packet sizes greater than INT_MAX, which allows\n attackers to cause a denial of service or possibly have\n unspecified other impact.(CVE-2018-17963)\n\n - In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a\n heap-based buffer overflow.(CVE-2019-6778)\n\nNote that Tenable Network Security has extracted the preceding\ndescription block directly from the EulerOS security advisory. Tenable\nhas attempted to automatically clean and format it as much as possible\nwithout introducing additional issues.\");\n # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2020-1430\n script_set_attribute(attribute:\"see_also\", value:\"http://www.nessus.org/u?3afa4311\");\n script_set_attribute(attribute:\"solution\", value:\n\"Update the affected qemu-kvm packages.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C\");\n script_set_cvss_temporal_vector(\"CVSS2#E:POC/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:P/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2020-8608\");\n script_set_attribute(attribute:\"exploitability_ease\", value:\"Exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"true\");\n\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2020/04/16\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2020/04/15\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:qemu-img\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:qemu-kvm\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:huawei:euleros:qemu-kvm-common\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:huawei:euleros:2.0\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"Huawei Local Security Checks\");\n\n script_copyright(english:\"This script is Copyright (C) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/EulerOS/release\", \"Host/EulerOS/rpm-list\", \"Host/EulerOS/sp\");\n script_exclude_keys(\"Host/EulerOS/uvp_version\");\n\n exit(0);\n}\n\ninclude(\"audit.inc\");\ninclude(\"global_settings.inc\");\ninclude(\"rpm.inc\");\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\n\nrelease = get_kb_item(\"Host/EulerOS/release\");\nif (isnull(release) || release !~ \"^EulerOS\") audit(AUDIT_OS_NOT, \"EulerOS\");\nif (release !~ \"^EulerOS release 2\\.0(\\D|$)\") audit(AUDIT_OS_NOT, \"EulerOS 2.0\");\n\nsp = get_kb_item(\"Host/EulerOS/sp\");\nif (isnull(sp) || sp !~ \"^(3)$\") audit(AUDIT_OS_NOT, \"EulerOS 2.0 SP3\");\n\nuvp = get_kb_item(\"Host/EulerOS/uvp_version\");\nif (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, \"EulerOS 2.0 SP3\", \"EulerOS UVP \" + uvp);\n\nif (!get_kb_item(\"Host/EulerOS/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\ncpu = get_kb_item(\"Host/cpu\");\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif (\"x86_64\" >!< cpu && cpu !~ \"^i[3-6]86$\" && \"aarch64\" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, \"EulerOS\", cpu);\nif (\"x86_64\" >!< cpu && cpu !~ \"^i[3-6]86$\") audit(AUDIT_ARCH_NOT, \"i686 / x86_64\", cpu);\n\nflag = 0;\n\npkgs = [\"qemu-img-1.5.3-156.5.h12\",\n \"qemu-kvm-1.5.3-156.5.h12\",\n \"qemu-kvm-common-1.5.3-156.5.h12\"];\n\nforeach (pkg in pkgs)\n if (rpm_check(release:\"EulerOS-2.0\", sp:\"3\", reference:pkg)) flag++;\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"qemu-kvm\");\n}\n", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-01-11T14:52:19", "description": "Several vulnerabilities were found in QEMU, a fast processor emulator :\n\nCVE-2016-2391\n\nZuozhi Fzz discovered that eof_times in USB OHCI emulation support could be used to cause a denial of service, via a NULL pointer dereference.\n\nCVE-2016-2392 / CVE-2016-2538\n\nQinghao Tang found a NULL pointer dereference and multiple integer overflows in the USB Net device support that could allow local guest OS administrators to cause a denial of service. These issues related to remote NDIS control message handling.\n\nCVE-2016-2841\n\nYang Hongke reported an infinite loop vulnerability in the NE2000 NIC emulation support.\n\nCVE-2016-2857\n\nLiu Ling found a flaw in QEMU IP checksum routines. Attackers could take advantage of this issue to cause QEMU to crash.\n\nCVE-2016-2858\n\nArbitrary stack based allocation in the Pseudo Random Number Generator (PRNG) back-end support.\n\nCVE-2016-4001 / CVE-2016-4002\n\nOleksandr Bazhaniuk reported buffer overflows in the Stellaris and the MIPSnet ethernet controllers emulation. Remote malicious users could use these issues to cause QEMU to crash.\n\nCVE-2016-4020\n\nDonghai Zdh reported that QEMU incorrectly handled the access to the Task Priority Register (TPR), allowing local guest OS administrators to obtain sensitive information from host stack memory.\n\nCVE-2016-4037\n\nDu Shaobo found an infinite loop vulnerability in the USB EHCI emulation support.\n\nCVE-2016-4439 / CVE-2016-4441 / CVE-2016-5238 / CVE-2016-5338 / CVE-2016-6351\n\nLi Qiang found different issues in the QEMU 53C9X Fast SCSI Controller (FSC) emulation support, that made it possible for local guest OS privileged users to cause denials of service or potentially execute arbitrary code.\n\nCVE-2016-4453 / CVE-2016-4454\n\nLi Qiang reported issues in the QEMU VMWare VGA module handling, that may be used to cause QEMU to crash, or to obtain host sensitive information.\n\nCVE-2016-4952 / CVE-2016-7421 / CVE-2016-7156\n\nLi Qiang reported flaws in the VMware paravirtual SCSI bus emulation support. These issues concern an out-of-bounds access and infinite loops, that allowed local guest OS privileged users to cause a denial of service.\n\nCVE-2016-5105 / CVE-2016-5106 / CVE-2016-5107 / CVE-2016-5337\n\nLi Qiang discovered several issues in the MegaRAID SAS 8708EM2 Host Bus Adapter emulation support. These issues include stack information leakage while reading configuration and out-of-bounds write and read.\n\nCVE-2016-6834\n\nLi Qiang reported an infinite loop vulnerability during packet fragmentation in the network transport abstraction layer support.\nLocal guest OS privileged users could made use of this flaw to cause a denial of service.\n\nCVE-2016-6836 / CVE-2016-6888\n\nLi Qiang found issues in the VMWare VMXNET3 network card emulation support, relating to information leak and integer overflow in packet initialisation.\n\nCVE-2016-7116\n\nFelix Wilhel discovered a directory traversal flaw in the Plan 9 File System (9pfs), exploitable by local guest OS privileged users.\n\nCVE-2016-7155\n\nTom Victor and Li Qiang reported an out-of-bounds read and an infinite loop in the VMware paravirtual SCSI bus emulation support.\n\nCVE-2016-7161\n\nHu Chaojian reported a heap overflow in the xlnx.xps-ethernetlite emulation support. Privileged users in local guest OS could made use of this to cause QEMU to crash.\n\nCVE-2016-7170\n\nQinghao Tang and Li Qiang reported a flaw in the QEMU VMWare VGA module, that could be used by privileged user in local guest OS to cause QEMU to crash via an out-of-bounds stack memory access.\n\nCVE-2016-7908 / CVE-2016-7909\n\nLi Qiang reported infinite loop vulnerabilities in the ColdFire Fast Ethernet Controller and the AMD PC-Net II (Am79C970A) emulations.\nThese flaws allowed local guest OS administrators to cause a denial of service.\n\nCVE-2016-8909\n\nHuawei PSIRT found an infinite loop vulnerability in the Intel HDA emulation support, relating to DMA buffer stream processing.\nPrivileged users in local guest OS could made use of this to cause a denial of service.\n\nCVE-2016-8910\n\nAndrew Henderson reported an infinite loop in the RTL8139 ethernet controller emulation support. 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These security issues were fixed :\n\n - CVE-2015-6815: e1000 NIC emulation support was vulnerable to an infinite loop issue. A privileged user inside guest could have used this flaw to crash the Qemu instance resulting in DoS. (bsc#944697).\n\n - CVE-2016-2391: The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allowed local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers (bsc#967013).\n\n - CVE-2016-2392: The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU did not properly validate USB configuration descriptor objects, which allowed local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet (bsc#967012).\n\n - CVE-2016-4453: The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allowed local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command (bsc#982223).\n\n - CVE-2016-4454: The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allowed local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read (bsc#982222).\n\n - CVE-2016-5105: The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, used an uninitialized variable, which allowed local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface (MFI) command (bsc#982017).\n\n - CVE-2016-5106: The megasas_dcmd_set_properties function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allowed local guest administrators to cause a denial of service (out-of-bounds write access) via vectors involving a MegaRAID Firmware Interface (MFI) command (bsc#982018).\n\n - CVE-2016-5107: The megasas_lookup_frame function in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allowed local guest OS administrators to cause a denial of service (out-of-bounds read and crash) via unspecified vectors (bsc#982019).\n\n - CVE-2016-5126: Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allowed local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call (bsc#982285).\n\n - CVE-2016-5238: The get_cmd function in hw/scsi/esp.c in QEMU allowed local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to reading from the information transfer buffer in non-DMA mode (bsc#982959).\n\n - CVE-2016-5337: The megasas_ctrl_get_info function in hw/scsi/megasas.c in QEMU allowed local guest OS administrators to obtain sensitive host memory information via vectors related to reading device control information (bsc#983961).\n\n - CVE-2016-5338: The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allowed local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer (bsc#983982).\n\n - CVE-2016-5403: The virtqueue_pop function in hw/virtio/virtio.c in QEMU allowed local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion (bsc#991080).\n\n - CVE-2016-6490: Infinite loop in the virtio framework. 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SOL04755144 - Multiple QEMU vulnerabilities
