SUSE SLES11 Security Update : kernel (SUSE-SU-2019:13979-1)

#%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-2019:13979-1.
# The text itself is copyright (C) SUSE.
#

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include('compat.inc');

if (description)
{
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  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2016-10741", "CVE-2017-18360", "CVE-2018-19407", "CVE-2018-19824", "CVE-2018-19985", "CVE-2018-20169", "CVE-2018-9568", "CVE-2019-7222");

  script_name(english:"SUSE SLES11 Security Update : kernel (SUSE-SU-2019:13979-1)");
  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 SP4 kernel was updated to receive various
security and bugfixes.

The following security bugs were fixed :

CVE-2016-10741: fs/xfs/xfs_aops.c allowed local users to cause a
denial of service (system crash) because there is a race condition
between direct and memory-mapped I/O (associated with a hole) that is
handled with BUG_ON instead of an I/O failure (bnc#1114920
bnc#1124010).

CVE-2017-18360: In change_port_settings in drivers/usb/serial/io_ti.c
local users could cause a denial of service by division-by-zero in the
serial device layer by trying to set very high baud rates
(bnc#1123706).

CVE-2018-9568: In sk_clone_lock of sock.c, there is a possible memory
corruption due to type confusion. This could lead to local escalation
of privilege with no additional execution privileges needed. User
interaction is not needed for exploitation. (bnc#1118319).

CVE-2018-19407: The vcpu_scan_ioapic function in arch/x86/kvm/x86.c
allowed local users to cause a denial of service (NULL pointer
dereference and BUG) via crafted system calls that reach a situation
where ioapic is uninitialized (bnc#1116841).

CVE-2018-19824: A local user could exploit a use-after-free in the
ALSA driver by supplying a malicious USB Sound device (with zero
interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c
(bnc#1118152).

CVE-2018-19985: The function hso_probe read if_num from the USB device
(as an u8) and used it without a length check to index an array,
resulting in an OOB memory read in hso_probe or hso_get_config_data
that could be used by local attackers (bnc#1120743).

CVE-2018-20169: The USB subsystem mishandled size checks during the
reading of an extra descriptor, related to __usb_get_extra_descriptor
in drivers/usb/core/usb.c (bnc#1119714).

CVE-2019-7222: A information leak in exception handling in KVM could
be used to expose host memory to guests. (bnc#1124735).

The update package also includes non-security fixes. See advisory for
details.

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."
  );
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1012382"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1031572"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1068032"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1086695"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1087081"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1094244"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1098658"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1104098"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1104367"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1104684"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1104818"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1105536"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1106105"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1106886"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1107371"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1109330"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1109806"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1110006"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1112963"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1113667"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1114440"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1114672"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1114920"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1115007"
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    value:"https://bugzilla.suse.com/show_bug.cgi?id=1115038"
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    value:"https://bugzilla.suse.com/show_bug.cgi?id=1115827"
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    value:"https://bugzilla.suse.com/show_bug.cgi?id=1115828"
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    value:"https://bugzilla.suse.com/show_bug.cgi?id=1115838"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1117796"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1117802"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1117805"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1117806"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1117943"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1118152"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1118319"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1118760"
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    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1119255"
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    attribute:"see_also",
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    attribute:"see_also",
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1120347"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1120743"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1120950"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1121872"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1121997"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1122874"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1123505"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1123702"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1123706"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1124010"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1124735"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1125931"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=931850"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=969471"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=969473"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-10741/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2017-18360/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-19407/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-19824/"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-19985/"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-20169/"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2018-9568/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2019-7222/"
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  # https://www.suse.com/support/update/announcement/2019/suse-su-201913979-1.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?3d011069"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 11-SP4:zypper in -t
patch sdksp4-kernel-20190225-13979=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch
slessp4-kernel-20190225-13979=1

SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch
slexsp3-kernel-20190225-13979=1

SUSE Linux Enterprise Real Time Extension 11-SP4:zypper in -t patch
slertesp4-kernel-20190225-13979=1

SUSE Linux Enterprise High Availability Extension 11-SP4:zypper in -t
patch slehasp4-kernel-20190225-13979=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch
dbgsp4-kernel-20190225-13979=1"
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  script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

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  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:"2018/11/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/18");
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  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2021 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");

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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, "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:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-ec2-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-ec2-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-ec2-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-xen-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-xen-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-xen-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-pae-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-pae-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"kernel-pae-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"s390x", reference:"kernel-default-man-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-default-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-default-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-default-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-source-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-syms-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-trace-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-trace-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"kernel-trace-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-ec2-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-ec2-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-ec2-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-xen-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-xen-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-xen-devel-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-pae-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-pae-base-3.0.101-108.87.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"i586", reference:"kernel-pae-devel-3.0.101-108.87.1")) 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");
}