CentOS 6 : libvorbis (CESA-2018:0649)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:0649 and 
# CentOS Errata and Security Advisory 2018:0649 respectively.
#

include('compat.inc');

if (description)
{
  script_id(108900);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/12");

  script_cve_id("CVE-2018-5146");
  script_xref(name:"RHSA", value:"2018:0649");

  script_name(english:"CentOS 6 : libvorbis (CESA-2018:0649)");

  script_set_attribute(attribute:"synopsis", value:
"The remote CentOS host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"An update for libvorbis is now available for Red Hat Enterprise Linux
6.

Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

The libvorbis package contains runtime libraries for use in programs
that support Ogg Vorbis, a fully open, non-proprietary, patent- and
royalty-free, general-purpose compressed format for audio and music at
fixed and variable bitrates.

Security Fix(es) :

* Mozilla: Vorbis audio processing out of bounds write (MFSA 2018-08)
(CVE-2018-5146)

For more details about the security issue(s), including the impact, a
CVSS score, and other related information, refer to the CVE page(s)
listed in the References section.

Red Hat would like to thank the Mozilla Project for reporting this
issue. Upstream acknowledges Richard Zhu via Trend Micro's Zero Day
Initiative as the original reporter.");
  # https://lists.centos.org/pipermail/centos-announce/2018-April/022814.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bed4dac2");
  script_set_attribute(attribute:"solution", value:
"Update the affected libvorbis packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:"cvss_score_source", value:"CVE-2018-5146");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/04/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/04/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:libvorbis");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:libvorbis-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:libvorbis-devel-docs");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:6");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CentOS Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2018-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/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/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 6.x", "CentOS " + os_ver);

if (!get_kb_item("Host/CentOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "CentOS", cpu);


flag = 0;
if (rpm_check(release:"CentOS-6", reference:"libvorbis-1.2.3-5.el6_9.1")) flag++;
if (rpm_check(release:"CentOS-6", reference:"libvorbis-devel-1.2.3-5.el6_9.1")) flag++;
if (rpm_check(release:"CentOS-6", reference:"libvorbis-devel-docs-1.2.3-5.el6_9.1")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libvorbis / libvorbis-devel / libvorbis-devel-docs");
}