Vulnerabilities > CVE-2018-19857 - Access of Uninitialized Pointer vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#

include('compat.inc');

if (description)
{
  script_id(136895);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2018-19857");
  script_bugtraq_id(106130);

  script_name(english:"VLC < 3.0.5 Denial of Service and/or Infoleak Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host contains a media player that is affected by denial of service and/or a potential infoleak vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of VLC media player installed on the remote host with version 3.0.4.  It is, therefore, affected 
by a denial of service and/or a potential infoleak vulnerability. (CVE-2018-19857).");
  script_set_attribute(attribute:"see_also", value:"https://www.securityfocus.com/bid/106130");
  script_set_attribute(attribute:"solution", value:
"Upgrade to VLC version 3.0.5 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:N/S:U/C:H/I:N/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-2018-19857");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/12/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/27");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:videolan:vlc_media_player");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("vlc_installed.nasl");
  script_require_keys("SMB/VLC/Version", "installed_sw/VLC media player");

  exit(0);
}

include('vcf.inc');

app_info = vcf::get_app_info(app:'VLC media player', win_local:TRUE);

constraints = [{'fixed_version':'3.0.5'}];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-4074-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(127095);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/08");

  script_cve_id("CVE-2018-19857", "CVE-2019-12874", "CVE-2019-13602", "CVE-2019-5439");
  script_xref(name:"USN", value:"4074-1");
  script_xref(name:"IAVB", value:"2019-B-0074-S");

  script_name(english:"Ubuntu 18.04 LTS / 19.04 : vlc vulnerabilities (USN-4074-1)");
  script_summary(english:"Checks dpkg output for updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Ubuntu host is missing a security-related patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that the VLC CAF demuxer incorrectly handled certain
files. If a user were tricked into opening a specially crafted CAF
file, a remote attacker could use this issue to cause VLC to crash,
resulting in a denial of service. This issue only affected Ubuntu
18.04 LTS. (CVE-2018-19857)

It was discovered that the VLC Matroska demuxer incorrectly handled
certain files. If a user were tricked into opening a specially crafted
MKV file, a remote attacker could use this issue to cause VLC to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2019-12874)

It was discovered that the VLC MP4 demuxer incorrectly handled certain
files. If a user were tricked into opening a specially crafted MP4
file, a remote attacker could use this issue to cause VLC to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2019-13602)

It was discovered that the VLC AVI demuxer incorrectly handled certain
files. If a user were tricked into opening a specially crafted AVI
file, a remote attacker could use this issue to cause VLC to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2019-5439).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu 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://usn.ubuntu.com/4074-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected vlc package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/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:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:vlc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:19.04");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/26");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2019-2020 Canonical, Inc. / NASL script (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(18\.04|19\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 18.04 / 19.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) 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, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"18.04", pkgname:"vlc", pkgver:"3.0.7.1-0ubuntu18.04.1")) flag++;
if (ubuntu_check(osver:"19.04", pkgname:"vlc", pkgver:"3.0.7.1-0ubuntu19.04.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "vlc");
}

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2019-1909.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(128001);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/08");

  script_cve_id("CVE-2018-19857", "CVE-2019-12874", "CVE-2019-13602", "CVE-2019-13962", "CVE-2019-5439", "CVE-2019-5459", "CVE-2019-5460");
  script_xref(name:"IAVB", value:"2019-B-0074-S");

  script_name(english:"openSUSE Security Update : vlc (openSUSE-2019-1909)");
  script_summary(english:"Check for the openSUSE-2019-1909 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for vlc to version 3.0.7.1 fixes the following issues :

Security issues fixed :

  - CVE-2019-5439: Fixed a buffer overflow (bsc#1138354).

  - CVE-2019-5459: Fixed an integer underflow (bsc#1143549).

  - CVE-2019-5460: Fixed a double free (bsc#1143547).

  - CVE-2019-12874: Fixed a double free in
    zlib_decompress_extra in modules/demux/mkv/util.cpp
    (bsc#1138933).

  - CVE-2019-13602: Fixed an integer underflow in mp4
    demuxer (boo#1141522).

  - CVE-2019-13962: Fixed a heap-based buffer over-read in
    avcodec (boo#1142161).

Non-security issues fixed :

  - Video Output :

  - Fix hardware acceleration with some AMD drivers

  - Improve direct3d11 HDR support

  - Access :

  - Improve Blu-ray support

  - Audio output :

  - Fix pass-through on Android-23

  - Fix DirectSound drain

  - Demux: Improve MP4 support

  - Video Output :

  - Fix 12 bits sources playback with Direct3D11

  - Fix crash on iOS

  - Fix midstream aspect-ratio changes when Windows hardware
    decoding is on

  - Fix HLG display with Direct3D11

  - Stream Output: Improve Chromecast support with new
    ChromeCast apps

  - Misc :

  - Update Youtube, Dailymotion, Vimeo, Soundcloud scripts

  - Work around busy looping when playing an invalid item
    with loop enabled

  - Updated translations.

New package libaom :

  - Initial version 1.0.0

  - A library for AOMedia Video 1 (AV1), an open,
    royalty-free video coding format designed for video
    transmissions over the Internet."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1093732"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1094893"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1118586"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1133290"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1138354"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1138933"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1141522"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1142161"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1143547"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1143549"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected vlc packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/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:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:aom-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:aom-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libaom-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libaom-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libaom0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libaom0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvlc5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvlc5-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvlccore9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvlccore9-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-codec-gstreamer");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-codec-gstreamer-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-jack");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-jack-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-lang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-noX");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-noX-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-qt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-qt-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-vdpau");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:vlc-vdpau-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/20");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 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/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 !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", 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 !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE15.0", reference:"aom-tools-1.0.0-lp150.2.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"aom-tools-debuginfo-1.0.0-lp150.2.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libaom-debugsource-1.0.0-lp150.2.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libaom-devel-1.0.0-lp150.2.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libaom0-1.0.0-lp150.2.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libaom0-debuginfo-1.0.0-lp150.2.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libvlc5-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libvlc5-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libvlccore9-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"libvlccore9-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-codec-gstreamer-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-codec-gstreamer-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-debugsource-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-devel-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-jack-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-jack-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-lang-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-noX-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-noX-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-qt-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-qt-debuginfo-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-vdpau-3.0.7.1-lp150.8.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"vlc-vdpau-debuginfo-3.0.7.1-lp150.8.1") ) 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, "aom-tools / aom-tools-debuginfo / libaom-debugsource / libaom-devel / etc");
}