SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2614-1) (Dirty COW)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2016:2614-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(94281);
  script_version("1.19");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/03/08");

  script_cve_id("CVE-2016-5195");
  script_xref(name:"IAVA", value:"2016-A-0306-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/03/24");

  script_name(english:"SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2614-1) (Dirty COW)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The SUSE Linux Enterprise 11 SP3 LTSS kernel was updated to fix one
security issue. This security bug was fixed :

  - CVE-2016-5195: Local privilege escalation using
    MAP_PRIVATE. It is reportedly exploited in the wild
    (bsc#1004418).

Note 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.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1004418");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2016-5195/");
  # https://www.suse.com/support/update/announcement/2016/suse-su-20162614-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ba1a281a");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 5:zypper in -t patch
sleclo50sp3-kernel-source-12809=1

SUSE Manager Proxy 2.1:zypper in -t patch
slemap21-kernel-source-12809=1

SUSE Manager 2.1:zypper in -t patch sleman21-kernel-source-12809=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch
slessp3-kernel-source-12809=1

SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch
slexsp3-kernel-source-12809=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-kernel-source-12809=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-kernel-source-12809=1

To bring your system up-to-date, use 'zypper patch'.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC: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:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:"CANVAS");
  script_set_attribute(attribute:"in_the_news", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/11/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/10/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/10/26");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-bigsmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-bigsmp-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-bigsmp-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-man");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-ec2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-ec2-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-ec2-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-pae-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-pae-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-source");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-trace");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-trace-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-trace-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-base");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-xen-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2016-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  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, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-ec2-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-ec2-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-ec2-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-xen-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-xen-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-xen-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-bigsmp-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-bigsmp-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-bigsmp-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-pae-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-pae-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-pae-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"s390x", reference:"kernel-default-man-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-default-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-default-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-default-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-source-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-syms-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-trace-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-trace-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-trace-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-ec2-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-ec2-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-ec2-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-xen-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-xen-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-xen-devel-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-pae-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-pae-base-3.0.101-0.47.90.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-pae-devel-3.0.101-0.47.90.1")) 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, "kernel");
}