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openSUSE Security Update : xerces-c (openSUSE-2016-833)

2016-07-06T00:00:00
ID OPENSUSE-2016-833.NASL
Type nessus
Reporter This script is Copyright (C) 2016-2021 Tenable Network Security, Inc.
Modified 2016-07-06T00:00:00

Description

xerces-c was updated to fix one security issue.

This security issue was fixed :

  • CVE-2016-2099: Use-after-free vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++. It did not properly handle exceptions raised in the XMLReader class, which allowed context-dependent attackers to have unspecified impact via an invalid character in an XML document (bsc#979208).

                                        
                                            #%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2016-833.
#
# The text description of this plugin is (C) SUSE LLC.
#

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

if (description)
{
  script_id(91953);
  script_version("2.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2016-2099");

  script_name(english:"openSUSE Security Update : xerces-c (openSUSE-2016-833)");
  script_summary(english:"Check for the openSUSE-2016-833 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"xerces-c was updated to fix one security issue.

This security issue was fixed :

  - CVE-2016-2099: Use-after-free vulnerability in
    validators/DTD/DTDScanner.cpp in Apache Xerces C++. It
    did not properly handle exceptions raised in the
    XMLReader class, which allowed context-dependent
    attackers to have unspecified impact via an invalid
    character in an XML document (bsc#979208)."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=979208"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected xerces-c packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxerces-c-3_1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxerces-c-3_1-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxerces-c-3_1-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxerces-c-3_1-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxerces-c-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xerces-c");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xerces-c-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xerces-c-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/07/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/07/06");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

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

  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, "openSUSE");
if (release !~ "^(SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE13.2", reference:"libxerces-c-3_1-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libxerces-c-3_1-debuginfo-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libxerces-c-devel-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xerces-c-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xerces-c-debuginfo-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"xerces-c-debugsource-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libxerces-c-3_1-32bit-3.1.1-13.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libxerces-c-3_1-debuginfo-32bit-3.1.1-13.6.1") ) 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, "libxerces-c-3_1 / libxerces-c-3_1-32bit / libxerces-c-3_1-debuginfo / etc");
}
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