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This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2016-3248-1.NASL
HistoryDec 22, 2016 - 12:00 a.m.

SUSE SLES11 Security Update : kernel (SUSE-SU-2016:3248-1)

2016-12-2200:00:00
This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
18

The SUSE Linux Enterprise 11 SP 3 kernel was updated to fix two security issues. The following security bugs were fixed :

  • CVE-2016-9576: A use-after-free vulnerability in the SCSI generic driver allows users with write access to /dev/sg* or /dev/bsg* to elevate their privileges (bsc#1013604).

  • CVE-2016-9794: A use-after-free vulnerability in the ALSA pcm layer allowed local users to cause a denial of service, memory corruption or possibly even to elevate their privileges (bsc#1013533).

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.

#%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-2016:3248-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(96089);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2016-9576", "CVE-2016-9794");

  script_name(english:"SUSE SLES11 Security Update : kernel (SUSE-SU-2016:3248-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  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 SP 3 kernel was updated to fix two
security issues. The following security bugs were fixed :

  - CVE-2016-9576: A use-after-free vulnerability in the
    SCSI generic driver allows users with write access to
    /dev/sg* or /dev/bsg* to elevate their privileges
    (bsc#1013604).

  - CVE-2016-9794: A use-after-free vulnerability in the
    ALSA pcm layer allowed local users to cause a denial of
    service, memory corruption or possibly even to elevate
    their privileges (bsc#1013533).

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=1013533"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1013604"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-9576/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-9794/"
  );
  # https://www.suse.com/support/update/announcement/2016/suse-su-20163248-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?3055a6c0"
  );
  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-12909=1

SUSE Manager Proxy 2.1:zypper in -t patch slemap21-kernel-12909=1

SUSE Manager 2.1:zypper in -t patch sleman21-kernel-12909=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch
slessp3-kernel-12909=1

SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch
slexsp3-kernel-12909=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-kernel-12909=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-kernel-12909=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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  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:"vuln_publication_date", value:"2016/12/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/12/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/22");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  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-ec2-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-ec2-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-ec2-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-xen-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-xen-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-xen-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-bigsmp-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-bigsmp-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-bigsmp-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-pae-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-pae-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"kernel-pae-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"s390x", reference:"kernel-default-man-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-default-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-default-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-default-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-source-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-syms-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-trace-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-trace-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"kernel-trace-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-ec2-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-ec2-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-ec2-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-xen-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-xen-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-xen-devel-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-pae-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-pae-base-3.0.101-0.47.93.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"i586", reference:"kernel-pae-devel-3.0.101-0.47.93.1")) 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");
}
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