openSUSE Security Update : xen (openSUSE-2015-391) (Venom)

#%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-2015-391.
#
# The text description of this plugin is (C) SUSE LLC.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(83965);
  script_version("2.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2015-3340", "CVE-2015-3456");

  script_name(english:"openSUSE Security Update : xen (openSUSE-2015-391) (Venom)");
  script_summary(english:"Check for the openSUSE-2015-391 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The XEN hypervisor was updated to fix two security issues :

  - Fixed a buffer overflow in the floppy drive emulation,
    which could be used to denial of service attacks or
    potential code execution against the host.
    (CVE-2015-3456)

  - Xen did not initialize certain fields, which allowed
    certain remote service domains to obtain sensitive
    information from memory via a (1) XEN_DOMCTL_gettscinfo
    or (2) XEN_SYSCTL_getdomaininfolist request.
    (CVE-2015-3340)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=927967"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=929339"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected xen packages.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-doc-html");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-default-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-desktop");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-desktop-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-kmp-pae-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-domU");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-domU-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-xend-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-xend-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2015/05/13");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/06/03");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  exit(0);
}


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\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.1", 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:"SUSE13.1", reference:"xen-debugsource-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-devel-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-kmp-default-4.3.4_04_k3.11.10_29-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-kmp-default-debuginfo-4.3.4_04_k3.11.10_29-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-kmp-desktop-4.3.4_04_k3.11.10_29-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-kmp-desktop-debuginfo-4.3.4_04_k3.11.10_29-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-kmp-pae-4.3.4_04_k3.11.10_29-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-kmp-pae-debuginfo-4.3.4_04_k3.11.10_29-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-libs-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-libs-debuginfo-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-tools-domU-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"xen-tools-domU-debuginfo-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-doc-html-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-libs-32bit-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-libs-debuginfo-32bit-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-tools-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-tools-debuginfo-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-xend-tools-4.3.4_04-44.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"xen-xend-tools-debuginfo-4.3.4_04-44.1") ) 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-kmp-default / etc");
}