Vulnerabilities > CVE-2017-8312 - Out-of-bounds Read vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-3899. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(101066);
  script_version("3.7");
  script_cvs_date("Date: 2018/11/10 11:49:38");

  script_cve_id("CVE-2017-8310", "CVE-2017-8311", "CVE-2017-8312", "CVE-2017-8313");
  script_xref(name:"DSA", value:"3899");

  script_name(english:"Debian DSA-3899-1 : vlc - security update");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Several vulnerabilities have been found in VLC, the VideoLAN project's
media player. Processing malformed subtitles or movie files could lead
to denial of service and potentially the execution of arbitrary code."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/vlc"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2017/dsa-3899"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the vlc packages.

For the oldstable distribution (jessie), these problems have been
fixed in version 2.2.6-1~deb8u1."
  );
  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:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:vlc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/06/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/06/28");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"libvlc-dev", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libvlc5", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libvlccore-dev", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libvlccore8", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-data", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-dbg", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-nox", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-fluidsynth", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-jack", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-notify", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-pulse", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-samba", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-sdl", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-svg", reference:"2.2.6-1~deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"vlc-plugin-zvbi", reference:"2.2.6-1~deb8u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");