SUSE SLED12 / SLES12 Security Update : libxml2 (SUSE-SU-2016:0049-1)

#%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-2016:0049-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(87865);
  script_version("2.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2015-1819", "CVE-2015-5312", "CVE-2015-7497", "CVE-2015-7498", "CVE-2015-7499", "CVE-2015-7500", "CVE-2015-7941", "CVE-2015-7942", "CVE-2015-8035", "CVE-2015-8241", "CVE-2015-8242", "CVE-2015-8317");
  script_bugtraq_id(75570);

  script_name(english:"SUSE SLED12 / SLES12 Security Update : libxml2 (SUSE-SU-2016:0049-1)");
  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:
"  - security update: This update fixes the following
    security issues :

  - CVE-2015-1819 Enforce the reader to run in constant
    memory [bnc#928193]

  - CVE-2015-7941 Fix out of bound read with crafted xml
    input by stopping parsing on entities boundaries errors
    [bnc#951734]

  - CVE-2015-7942 Fix another variation of overflow in
    Conditional sections [bnc#951735]

  - CVE-2015-8241 Avoid extra processing of MarkupDecl when
    EOF [bnc#956018]

  - CVE-2015-8242 Buffer overead with HTML parser in push
    mode [bnc#956021]

  - CVE-2015-8317 Return if the encoding declaration is
    broken or encoding conversion failed [bnc#956260]

  - CVE-2015-5312 Fix another entity expansion issue
    [bnc#957105]

  - CVE-2015-7497 Avoid an heap buffer overflow in
    xmlDictComputeFastQKey [bnc#957106]

  - CVE-2015-7498 Processes entities after encoding
    conversion failures [bnc#957107]

  - CVE-2015-7499 Add xmlHaltParser() to stop the parser /
    Detect incoherency on GROW [bnc#957109]

  - CVE-2015-8317 Multiple out-of-bound read could lead to
    denial of service [bnc#956260]

  - CVE-2015-8035 DoS when parsing specially crafted XML
    document if XZ support is enabled [bnc#954429]

  - CVE-2015-7500 Fix memory access error due to incorrect
    entities boundaries [bnc#957110]

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=928193"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=951734"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=951735"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=954429"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=956018"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=956021"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=956260"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=957105"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=957106"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=957107"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=957109"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=957110"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-1819/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-5312/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-7497/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-7498/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-7499/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-7500/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-7941/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-7942/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-8035/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-8241/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-8242/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-8317/"
  );
  # https://www.suse.com/support/update/announcement/2016/suse-su-20160049-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?4cc8f2f2"
  );
  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 Linux Enterprise Software Development Kit 12-SP1 :

zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-38=1

SUSE Linux Enterprise Software Development Kit 12 :

zypper in -t patch SUSE-SLE-SDK-12-2016-38=1

SUSE Linux Enterprise Server 12-SP1 :

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-38=1

SUSE Linux Enterprise Server 12 :

zypper in -t patch SUSE-SLE-SERVER-12-2016-38=1

SUSE Linux Enterprise Desktop 12-SP1 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-38=1

SUSE Linux Enterprise Desktop 12 :

zypper in -t patch SUSE-SLE-DESKTOP-12-2016-38=1

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/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:libxml2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxml2-2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxml2-2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxml2-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxml2-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxml2-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python-libxml2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python-libxml2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:python-libxml2-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/08/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/12");
  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:"^(SLED12|SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED12 / SLES12", "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 == "SLES12" && (! preg(pattern:"^(0|1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP0/1", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(0|1)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP0/1", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-tools-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-tools-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"python-libxml2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"python-libxml2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"python-libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-2-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libxml2-2-debuginfo-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-tools-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-tools-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"python-libxml2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"python-libxml2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"python-libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-2-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libxml2-2-debuginfo-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-2-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-2-debuginfo-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-tools-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libxml2-tools-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"python-libxml2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"python-libxml2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"python-libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-2-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-2-debuginfo-32bit-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-debugsource-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-tools-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libxml2-tools-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"python-libxml2-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"python-libxml2-debuginfo-2.9.1-13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"python-libxml2-debugsource-2.9.1-13.1")) 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, "libxml2");
}