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(CVE-2018-12130)\n\nBrandon Falk, Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Stephan\nvan Schaik, Alyssa Milburn, Sebastian sterlund, Pietro Frigo, Kaveh\nRazavi, Herbert Bos, and Cristiano Giuffrida discovered that memory\npreviously stored in microarchitectural load ports of an Intel CPU core may\nbe exposed to a malicious process that is executing on the same CPU core. A\nlocal attacker could use this to expose sensitive information.\n(CVE-2018-12127)\n\nKe Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Marina Minkin, Daniel\nMoghimi, Moritz Lipp, Michael Schwarz, Jo Van Bulck, Daniel Genkin, Daniel\nGruss, Berk Sunar, Frank Piessens, and Yuval Yarom discovered that memory\npreviously stored in microarchitectural store buffers of an Intel CPU core\nmay be exposed to a malicious process that is executing on the same CPU\ncore. A local attacker could use this to expose sensitive information.\n(CVE-2018-12126)\n\nVasily Averin and Evgenii Shatokhin discovered that a use-after-free\nvulnerability existed in the NFS41+ subsystem when multiple network\nnamespaces are in use. A local attacker in a container could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2018-16884)\n\nKe Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Volodrmyr Pikhur,\nMoritz Lipp, Michael Schwarz, Daniel Gruss, Stephan van Schaik, Alyssa\nMilburn, Sebastian sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and\nCristiano Giuffrida discovered that uncacheable memory previously stored in\nmicroarchitectural buffers of an Intel CPU core may be exposed to a\nmalicious process that is executing on the same CPU core. A local attacker\ncould use this to expose sensitive information. (CVE-2019-11091)\n\nMatteo Croce, Natale Vinto, and Andrea Spagnolo discovered that the cgroups\nsubsystem of the Linux kernel ...\n\n Description truncated. 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This CVE ID is unique from CVE-2019-1071, CVE-2019-1073. (CVE-2019-1125also known as Spectre SWAPGS gadget vulnerability)\n\nA Spectre gadget was found in the Linux kernel's implementation of system interrupts. An attacker with unprivilegedlocal access could use this information to reveal private data through a Spectre-like side channel.\n\nImpact\n\nF5 continues to investigate the impact of the Spectre SWAPGS gadget vulnerability on our products. F5 is focused onproviding patched releases as soon as we have fully tested and verified fixes. F5 will update this article with the most current information as soon as it is confirmed.\n\nBIG-IP\n\nFirst and foremost, there is no exposure on BIG-IP products by way ofthe data plane. All exposure is limited to the control plane (also known as the management plane).\n\nFurthermore, on the control plane, the vulnerability is exploitable only by four authorized, authenticated account roles: Administrator, Resource Administrator, Manager, and iRules Manager. You must be authorized to access the system in one of these roles to even attempt to exploit the vulnerability.\n\nThis vulnerability requires an attacker who can provideand runbinary code of their choosing on the BIG-IP platform.\n\nThese conditions severely restrict the exposure risk of BIG-IP products.\n\nFor single-tenancy products, such as astandalone BIG-IP appliance, the risk is limited to a local, authorized user using this vulnerability to read information from memory that they would not normally be able to access, exceeding their privileges. Effectively, the risk in a single-tenancy situation is that a user may be able to access kernel-space memory, instead of being limited to their own user-space.\n\nFor multi-tenancy environments, such as cloud, VE, and Virtual Clustered Multiprocessing (vCMP), the same local risk applies as with single-tenancy environments local kernel memory access. Additionally, the risk of attacks across guests exists, or attacks against the hypervisor/host. In cloud and VE environments, preventing these new attacks falls on the hypervisor/host platform, outside the scope of F5's ability to support or patch. Please contact your cloud provider or hypervisor vendor to ensure that their platforms or products are protected against this Spectre vulnerability.\n\nFor vCMP environments, F5 believes that while the Spectre SWAPGS gadget vulnerability does offer a theoretical possibility of guest-to-guest or guest-to-host attacks, these would be very difficult to successfully conduct in the BIG-IP environment.\n\nF5 is working with our hardware component vendors to determine the scope of this vulnerability across our various generations of hardware platforms. All of the information we currently have from our vendors is represented in this Security Advisory.\n\nWe are also testing the fixes produced by the Linux community. We are conducting anextensive test campaign to characterize the impact of the fixes on system performance and stabilityto ensure, as best we can, a good experience for our customers. We do not want to rush the process and release fixes without a full understanding of any potential issues. Given the limited exposure, as detailed above, the complexity of the fixes, and the potential issues that we and others have seen, we believe a detailed approach is warranted and that rushing a fix could result in an impact to system stability or unacceptable performance costs. We will update this article with details of our fixes as they become available.\n\nTo determine if this vulnerability affects aplatform and the processor type each platform uses, refer to the following table.\n\nNote : In the following table, only one entry is shown for platform models that may have several variants. For example, BIG-IP 11000, BIG-IP 11050, BIG-IP 11050F, and BIG-IP 11050N are all vulnerable and included in the table as 'BIG-IP 110x0'. Some platforms may have multiple vendor processors, such as the iSeries platforms, which have one or more Intel core processors and may have a vulnerable ARM processor in one or more subsystems. F5 does not believe that ARM processors in these subsystems are accessible to attackers, unless some other code-execution vulnerability is present, but the information is being provided out of an abundance of caution.\n\nModel Processor type Vulnerable to CVE-2019-1125Spectre SWAPGS gadget vulnerability VIPRION B21x0 Intel Y VIPRION B2250 Intel Y VIPRION B4100 AMD Y VIPRION B4200 AMD Y VIPRION B43x0 Intel Y VIPRION B44x0 Intel Y BIG-IP 800 Intel Y BIG-IP 1600 Intel Y BIG-IP 3600 Intel Y BIG-IP 3900 Intel Y BIG-IP2xx0 Intel Y BIG-IP4xx0 Intel Y BIG-IP5xx0 Intel Y BIG-IP7xx0 Intel Y BIG-IP10xx0 Intel Y BIG-IP12xx0 Intel Y BIG-IPi2x00 Intel, ARM Y BIG-IPi4x00 Intel, ARM Y BIG-IPi5x00 Intel, ARM Y BIG-IPi7x00 Intel, ARM Y BIG-IPi10x00 Intel, ARM Y BIG-IP6400 AMD Y BIG-IP6900 AMD Y BIG-IP89x0 AMD Y BIG-IP110x0 AMD Y\n\nNote : Platform models that have reached End of Technical Support (EoTS) will not be evaluated. For more information, refer toK4309: F5 platform lifecycle support policy.\n\nBIG-IQ and Enterprise Manager\n\nSystems with microprocessors that use speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access by way ofa side-channel analysis.\n\nTo determine if this vulnerability affects each platform and the processor type each platform uses, refer to the following table.\n\nModel Processor type Vulnerable to CVE-2018-3693 Spectre-NG Variant 1.1 BIG-IQ 7000 Intel Y Enterprise Manager 4000 Intel Y\n\nNote : Platform models that have reached End of Technical Support (EoTS) will not be evaluated. For more information, refer toK4309: F5 platform lifecycle support policy.\n\nTraffix\n\nSystems with microprocessors that use speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access by way of a side-channel analysis.", "cvss3": {}, "published": "2020-07-14T00:00:00", "type": "nessus", "title": "F5 Networks BIG-IP : Spectre SWAPGS gadget vulnerability (K31085564)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2018-3693", "CVE-2019-1071", "CVE-2019-1073", "CVE-2019-1125"], "modified": "2020-12-11T00:00:00", "cpe": ["cpe:/a:f5:big-ip_access_policy_manager", "cpe:/a:f5:big-ip_advanced_firewall_manager", "cpe:/a:f5:big-ip_application_acceleration_manager", "cpe:/a:f5:big-ip_application_security_manager", "cpe:/a:f5:big-ip_application_visibility_and_reporting", "cpe:/a:f5:big-ip_global_traffic_manager", "cpe:/a:f5:big-ip_link_controller", "cpe:/a:f5:big-ip_local_traffic_manager", "cpe:/a:f5:big-ip_policy_enforcement_manager", "cpe:/a:f5:big-ip_webaccelerator", "cpe:/h:f5:big-ip"], "id": "F5_BIGIP_SOL31085564.NASL", "href": "https://www.tenable.com/plugins/nessus/138395", "sourceData": "#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from F5 Networks BIG-IP Solution K31085564.\n#\n# The text description of this plugin is (C) F5 Networks.\n#\n\ninclude(\"compat.inc\");\n\nif (description)\n{\n script_id(138395);\n script_version(\"1.7\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2020/12/11\");\n\n script_cve_id(\"CVE-2018-3693\", \"CVE-2019-1071\", \"CVE-2019-1073\", \"CVE-2019-1125\");\n\n script_name(english:\"F5 Networks BIG-IP : Spectre SWAPGS gadget vulnerability (K31085564)\");\n script_summary(english:\"Checks the BIG-IP version.\");\n\n script_set_attribute(\n attribute:\"synopsis\",\n value:\"The remote device is missing a vendor-supplied security patch.\"\n );\n script_set_attribute(\n attribute:\"description\",\n value:\n\"An information disclosure vulnerability exists when certain central\nprocessing units (CPU) speculatively access memory, aka 'Windows\nKernel Information Disclosure Vulnerability'. This CVE ID is unique\nfrom CVE-2019-1071, CVE-2019-1073. (CVE-2019-1125also known as Spectre\nSWAPGS gadget vulnerability)\n\nA Spectre gadget was found in the Linux kernel's implementation of\nsystem interrupts. An attacker with unprivilegedlocal access could use\nthis information to reveal private data through a Spectre-like side\nchannel.\n\nImpact\n\nF5 continues to investigate the impact of the Spectre SWAPGS gadget\nvulnerability on our products. F5 is focused onproviding patched\nreleases as soon as we have fully tested and verified fixes. F5 will\nupdate this article with the most current information as soon as it is\nconfirmed.\n\nBIG-IP\n\nFirst and foremost, there is no exposure on BIG-IP products by way\nofthe data plane. All exposure is limited to the control plane (also\nknown as the management plane).\n\nFurthermore, on the control plane, the vulnerability is exploitable\nonly by four authorized, authenticated account roles: Administrator,\nResource Administrator, Manager, and iRules Manager. You must be\nauthorized to access the system in one of these roles to even attempt\nto exploit the vulnerability.\n\nThis vulnerability requires an attacker who can provideand runbinary\ncode of their choosing on the BIG-IP platform.\n\nThese conditions severely restrict the exposure risk of BIG-IP\nproducts.\n\nFor single-tenancy products, such as astandalone BIG-IP appliance, the\nrisk is limited to a local, authorized user using this vulnerability\nto read information from memory that they would not normally be able\nto access, exceeding their privileges. Effectively, the risk in a\nsingle-tenancy situation is that a user may be able to access\nkernel-space memory, instead of being limited to their own user-space.\n\nFor multi-tenancy environments, such as cloud, VE, and Virtual\nClustered Multiprocessing (vCMP), the same local risk applies as with\nsingle-tenancy environments local kernel memory access. Additionally,\nthe risk of attacks across guests exists, or attacks against the\nhypervisor/host. In cloud and VE environments, preventing these new\nattacks falls on the hypervisor/host platform, outside the scope of\nF5's ability to support or patch. Please contact your cloud provider\nor hypervisor vendor to ensure that their platforms or products are\nprotected against this Spectre vulnerability.\n\nFor vCMP environments, F5 believes that while the Spectre SWAPGS\ngadget vulnerability does offer a theoretical possibility of\nguest-to-guest or guest-to-host attacks, these would be very difficult\nto successfully conduct in the BIG-IP environment.\n\nF5 is working with our hardware component vendors to determine the\nscope of this vulnerability across our various generations of hardware\nplatforms. All of the information we currently have from our vendors\nis represented in this Security Advisory.\n\nWe are also testing the fixes produced by the Linux community. We are\nconducting anextensive test campaign to characterize the impact of the\nfixes on system performance and stabilityto ensure, as best we can, a\ngood experience for our customers. We do not want to rush the process\nand release fixes without a full understanding of any potential\nissues. Given the limited exposure, as detailed above, the complexity\nof the fixes, and the potential issues that we and others have seen,\nwe believe a detailed approach is warranted and that rushing a fix\ncould result in an impact to system stability or unacceptable\nperformance costs. We will update this article with details of our\nfixes as they become available.\n\nTo determine if this vulnerability affects aplatform and the processor\ntype each platform uses, refer to the following table.\n\nNote : In the following table, only one entry is shown for platform\nmodels that may have several variants. For example, BIG-IP 11000,\nBIG-IP 11050, BIG-IP 11050F, and BIG-IP 11050N are all vulnerable and\nincluded in the table as 'BIG-IP 110x0'. Some platforms may have\nmultiple vendor processors, such as the iSeries platforms, which have\none or more Intel core processors and may have a vulnerable ARM\nprocessor in one or more subsystems. 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Scientific Linux Security Update : kernel on SL7.x x86_64 (20190903)
