openSUSE Security Update : xen (openSUSE-2016-439)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2016-439.
#
# The text description of this plugin is (C) SUSE LLC.
#

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  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("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-2014-3689", "CVE-2014-7815", "CVE-2014-9718", "CVE-2015-1779", "CVE-2015-5239", "CVE-2015-5278", "CVE-2015-6815", "CVE-2015-6855", "CVE-2015-7512", "CVE-2015-8345", "CVE-2015-8613", "CVE-2015-8619", "CVE-2015-8743", "CVE-2015-8744", "CVE-2015-8745", "CVE-2016-1568", "CVE-2016-1570", "CVE-2016-1571", "CVE-2016-1714", "CVE-2016-1981", "CVE-2016-2198", "CVE-2016-2270", "CVE-2016-2271", "CVE-2016-2392", "CVE-2016-2538");

  script_name(english:"openSUSE Security Update : xen (openSUSE-2016-439)");
  script_summary(english:"Check for the openSUSE-2016-439 patch");

  script_set_attribute(
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    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
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    value:
"xen was updated to version 4.4.4 to fix 33 security issues.

These security issues were fixed :

  - CVE-2016-2392: NULL pointer dereference in remote NDIS
    control message handling (bsc#967012).

  - CVE-2015-5239: Integer overflow in vnc_client_read() and
    protocol_client_msg() (bsc#944463).

  - 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 (boo#965315).

  - CVE-2016-2538: Integer overflow in remote NDIS control
    message handling (bsc#967969).

  - 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 (boo#962360).

  - 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
    (boo#962611).

  - CVE-2015-5278: Infinite loop in ne2000_receive()
    function (bsc#945989).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio
    port commands (bsc#961332).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and
    e1000_receive_iov routines (bsc#963782).

  - CVE-2016-2198: EHCI NULL pointer dereference in
    ehci_caps_write (bsc#964413).

  - CVE-2015-6815: e1000: infinite loop issue (bsc#944697).

  - CVE-2014-0222: Integer overflow in the qcow_open
    function in block/qcow.c allowed remote attackers to
    cause a denial of service (crash) via a large L2 table
    in a QCOW version 1 image (boo#964925).

  - 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 (boo#965156).

  - CVE-2016-2271: VMX in 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 (boo#965317).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c
    allowed remote attackers to cause a denial of service or
    possibly execute arbitrary code via vectors related to
    IRQDest elements (boo#964452).

  - CVE-2013-4537: The ssi_sd_transfer function in
    hw/sd/ssi-sd.c allowed remote attackers to execute
    arbitrary code via a crafted arglen value in a savevm
    image (boo#962642).

  - CVE-2015-1779: The VNC websocket frame decoder allowed
    remote attackers to cause a denial of service (memory
    and CPU consumption) via a large (1) websocket payload
    or (2) HTTP headers section (boo#962632).

  - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed
    remote attackers to cause a denial of service or
    possibly execute arbitrary code via crafted tx_fifo_head
    and rx_fifo_head values in a savevm image (boo#964950).

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load
    function in hw/arm/pxa2xx.c allowed remote attackers to
    cause a denial of service or possibly execute arbitrary
    code via a crafted s->rx_level value in a savevm image
    (boo#964644).

  - CVE-2013-4539: Multiple buffer overflows in the
    tsc210x_load function in hw/input/tsc210x.c allowed
    remote attackers to execute arbitrary code via a crafted
    (1) precision, (2) nextprecision, (3) function, or (4)
    nextfunction value in a savevm image (boo#962758).

  - CVE-2013-4538: Multiple buffer overflows in the
    ssd0323_load function in hw/display/ssd0323.c allowed
    remote attackers to cause a denial of service (memory
    corruption) or possibly execute arbitrary code via
    crafted (1) cmd_len, (2) row, or (3) col values; (4)
    row_start and row_end values; or (5) col_star and
    col_end values in a savevm image (boo#962335).

  - CVE-2015-8345: eepro100: infinite loop in processing
    command block list (bsc#956829).

  - CVE-2015-8613: scsi: stack based buffer overflow in
    megasas_ctrl_get_info (bsc#961358).

  - CVE-2015-8619: Stack based OOB write in hmp_sendkey
    routine (bsc#960334).

  - CVE-2016-1571: The paging_invlpg function in
    include/asm-x86/paging.h, when using shadow mode paging
    or nested virtualization is enabled, allowed local HVM
    guest users to cause a denial of service (host crash)
    via a non-canonical guest address in an INVVPID
    instruction, which triggers a hypervisor bug check
    (boo#960862).

  - 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 (boo#960861).

  - 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 to the bmdma_prepare_buf and
    ahci_dma_prepare_buf functions (boo#964431).

  - CVE-2016-1714: nvram: OOB r/w access in processing
    firmware configurations (bsc#961691).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w
    functions (bsc#960725).

  - CVE-2015-8744: vmxnet3: incorrect l2 header validation
    leads to a crash via assert(2) call (bsc#960835).

  - CVE-2015-8745: Reading IMR registers could have lead to
    a crash via assert(2) call (bsc#960707).

  - 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 (boo#962627).

  - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c
    allowed remote attackers to cause a denial of service
    and possibly execute arbitrary code via a large log_num
    value in a savevm image (boo#964929)."
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  script_set_attribute(attribute:"solution", value:"Update the affected xen packages.");
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include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE13.2", reference:"xen-debugsource-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xen-devel-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xen-libs-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xen-libs-debuginfo-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xen-tools-domU-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xen-tools-domU-debuginfo-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-doc-html-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-kmp-default-4.4.4_02_k3.16.7_35-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-kmp-default-debuginfo-4.4.4_02_k3.16.7_35-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-kmp-desktop-4.4.4_02_k3.16.7_35-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-kmp-desktop-debuginfo-4.4.4_02_k3.16.7_35-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-libs-32bit-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-libs-debuginfo-32bit-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-tools-4.4.4_02-43.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"xen-tools-debuginfo-4.4.4_02-43.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "xen-debugsource / xen-devel / xen-libs-32bit / xen-libs / etc");
}