Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : libarchive vulnerabilities (USN-3736-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-3736-1. 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(111672);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/20");

  script_cve_id(
    "CVE-2016-10209",
    "CVE-2016-10349",
    "CVE-2016-10350",
    "CVE-2017-14166",
    "CVE-2017-14501",
    "CVE-2017-14503"
  );
  script_xref(name:"USN", value:"3736-1");

  script_name(english:"Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : libarchive vulnerabilities (USN-3736-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"It was discovered that libarchive incorrectly handled certain archive
files. A remote attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 14.04 LTS and
Ubuntu 16.04 LTS. (CVE-2016-10209, CVE-2016-10349, CVE-2016-10350)

Agostino Sarubbo discovered that libarchive incorrectly handled
certain XAR files. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 14.04 LTS
and Ubuntu 16.04 LTS. (CVE-2017-14166)

It was discovered that libarchive incorrectly handled certain files. A
remote attacker could possibly use this issue to get access to
sensitive information. (CVE-2017-14501, CVE-2017-14503).

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://ubuntu.com/security/notices/USN-3736-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-14503");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/04/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/08/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libarchive13");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:bsdcpio");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:bsdtar");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libarchive-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libarchive-tools");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"Ubuntu Security Notice (C) 2018-2023 Canonical, Inc. / NASL script (C) 2018-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include('debian_package.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('14.04' >< os_release || '16.04' >< os_release || '18.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 14.04 / 16.04 / 18.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);

var pkgs = [
    {'osver': '14.04', 'pkgname': 'bsdcpio', 'pkgver': '3.1.2-7ubuntu2.6'},
    {'osver': '14.04', 'pkgname': 'bsdtar', 'pkgver': '3.1.2-7ubuntu2.6'},
    {'osver': '14.04', 'pkgname': 'libarchive-dev', 'pkgver': '3.1.2-7ubuntu2.6'},
    {'osver': '14.04', 'pkgname': 'libarchive13', 'pkgver': '3.1.2-7ubuntu2.6'},
    {'osver': '16.04', 'pkgname': 'bsdcpio', 'pkgver': '3.1.2-11ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'bsdtar', 'pkgver': '3.1.2-11ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'libarchive-dev', 'pkgver': '3.1.2-11ubuntu0.16.04.4'},
    {'osver': '16.04', 'pkgname': 'libarchive13', 'pkgver': '3.1.2-11ubuntu0.16.04.4'},
    {'osver': '18.04', 'pkgname': 'bsdcpio', 'pkgver': '3.2.2-3.1ubuntu0.1'},
    {'osver': '18.04', 'pkgname': 'bsdtar', 'pkgver': '3.2.2-3.1ubuntu0.1'},
    {'osver': '18.04', 'pkgname': 'libarchive-dev', 'pkgver': '3.2.2-3.1ubuntu0.1'},
    {'osver': '18.04', 'pkgname': 'libarchive-tools', 'pkgver': '3.2.2-3.1ubuntu0.1'},
    {'osver': '18.04', 'pkgname': 'libarchive13', 'pkgver': '3.2.2-3.1ubuntu0.1'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  if (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bsdcpio / bsdtar / libarchive-dev / libarchive-tools / libarchive13');
}