SUSE: Security Advisory (SUSE-SU-2016:1538-1)

# SPDX-FileCopyrightText: 2021 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.4.2016.1538.1");
  script_cve_id("CVE-2015-8806", "CVE-2016-1762", "CVE-2016-1833", "CVE-2016-1834", "CVE-2016-1835", "CVE-2016-1837", "CVE-2016-1838", "CVE-2016-1839", "CVE-2016-1840", "CVE-2016-2073", "CVE-2016-3705", "CVE-2016-4447", "CVE-2016-4448", "CVE-2016-4449", "CVE-2016-4483");
  script_tag(name:"creation_date", value:"2021-04-19 00:00:00 +0000 (Mon, 19 Apr 2021)");
  script_version("2025-08-15T15:42:24+0000");
  script_tag(name:"last_modification", value:"2025-08-15 15:42:24 +0000 (Fri, 15 Aug 2025)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2016-06-09 18:05:25 +0000 (Thu, 09 Jun 2016)");

  script_name("SUSE: Security Advisory (SUSE-SU-2016:1538-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0|SLES12\.0SP1)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2016:1538-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2016/suse-su-20161538-1.html");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/963963");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/965283");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/978395");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981040");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981041");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981108");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981109");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981111");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981112");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981114");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981115");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981548");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981549");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/981550");
  script_xref(name:"URL", value:"https://lists.suse.com/pipermail/sle-security-updates/2016-June/002104.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'libxml2' package(s) announced via the SUSE-SU-2016:1538-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"This update for libxml2 fixes the following security issues:

- CVE-2016-2073, CVE-2015-8806, CVE-2016-1839: A Heap-buffer overread
 was fixed in libxml2/dict.c [bsc#963963, bsc#965283, bsc#981114].
- CVE-2016-4483: Code was added to avoid an out of bound access when
 serializing malformed strings [bsc#978395].
- CVE-2016-1762: Fixed a heap-based buffer overread in xmlNextChar [bsc#981040].
- CVE-2016-1834: Fixed a heap-buffer-overflow in xmlStrncat [bsc#981041].
- CVE-2016-1833: Fixed a heap-based buffer overread in htmlCurrentChar [bsc#981108].
- CVE-2016-1835: Fixed a heap use-after-free in xmlSAX2AttributeNs [bsc#981109].
- CVE-2016-1837: Fixed a heap use-after-free in htmlParsePubidLiteral
 and htmlParseSystemiteral [bsc#981111].
- CVE-2016-1838: Fixed a heap-based buffer overread in
 xmlParserPrintFileContextInternal [bsc#981112].
- CVE-2016-1840: Fixed a heap-buffer-overflow in xmlFAParsePosCharGroup [bsc#981115].
- CVE-2016-4447: Fixed a heap-based buffer-underreads due to xmlParseName [bsc#981548].
- CVE-2016-4448: Fixed some format string warnings with possible format
 string vulnerability [bsc#981549],
- CVE-2016-4449: Fixed inappropriate fetch of entities content [bsc#981550].
- CVE-2016-3705: Fixed missing increment of recursion counter.");

  script_tag(name:"affected", value:"'libxml2' package(s) on SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12-SP1, SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 12-SP1, SUSE Linux Enterprise Server for SAP Applications 12, SUSE Linux Enterprise Server for SAP Applications 12-SP1.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "SLES12.0") {

  if(!isnull(res = isrpmvuln(pkg:"libxml2-2", rpm:"libxml2-2~2.9.1~24.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-2-32bit", rpm:"libxml2-2-32bit~2.9.1~24.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-doc", rpm:"libxml2-doc~2.9.1~24.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-tools", rpm:"libxml2-tools~2.9.1~24.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python-libxml2", rpm:"python-libxml2~2.9.1~24.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "SLES12.0SP1") {

  if(!isnull(res = isrpmvuln(pkg:"libxml2-2", rpm:"libxml2-2~2.9.1~24.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-2-32bit", rpm:"libxml2-2-32bit~2.9.1~24.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-doc", rpm:"libxml2-doc~2.9.1~24.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-tools", rpm:"libxml2-tools~2.9.1~24.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"python-libxml2", rpm:"python-libxml2~2.9.1~24.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);