Ubuntu 14.04 LTS : PostgreSQL vulnerabilities (USN-2499-1)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-2499-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

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

if (description)
{
  script_id(81314);
  script_version("1.16");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/27");

  script_cve_id(
    "CVE-2014-8161",
    "CVE-2015-0241",
    "CVE-2015-0243",
    "CVE-2015-0244"
  );
  script_bugtraq_id(
    72538,
    72540,
    72542,
    72543
  );
  script_xref(name:"USN", value:"2499-1");

  script_name(english:"Ubuntu 14.04 LTS : PostgreSQL vulnerabilities (USN-2499-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in
the USN-2499-1 advisory.

    Stephen Frost discovered that PostgreSQL incorrectly displayed certain values in error messages. An
    authenticated user could gain access to seeing certain values, contrary to expected permissions.
    (CVE-2014-8161)

    Andres Freund, Peter Geoghegan and Noah Misch discovered that PostgreSQL incorrectly handled buffers in
    to_char functions. An authenticated attacker could possibly use this issue to cause PostgreSQL to crash,
    resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-0241)

    It was discovered that PostgreSQL incorrectly handled memory in the pgcrypto extension. An authenticated
    attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial of service, or
    possibly execute arbitrary code. (CVE-2015-0243)

    Emil Lenngren discovered that PostgreSQL incorrectly handled extended protocol message reading. An
    authenticated attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial
    of service, or possibly inject query messages. (CVE-2015-0244)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/notices/USN-2499-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected 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:"cvss_score_source", value:"CVE-2015-0244");

  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:"2020/01/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/02/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/02/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-client-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-contrib-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-plperl-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython3-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-pltcl-9.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:postgresql-server-dev-9.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libecpg-compat3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libecpg-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libecpg6");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpgtypes3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpq-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpq5");
  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) 2015-2024 Canonical, Inc. / NASL script (C) 2015-2024 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)) audit(AUDIT_OS_NOT, 'Ubuntu 14.04', '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': 'libecpg-compat3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'libecpg-dev', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'libecpg6', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'libpgtypes3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'libpq-dev', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'libpq5', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-client-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-contrib-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-plperl-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-plpython-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-plpython3-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-pltcl-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'},
    {'osver': '14.04', 'pkgname': 'postgresql-server-dev-9.3', 'pkgver': '9.3.6-0ubuntu0.14.04'}
];

var flag = 0;
foreach var 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)
{
  var extra = '';
  extra += ubuntu_report_get();
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : extra
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libecpg-compat3 / libecpg-dev / libecpg6 / libpgtypes3 / libpq-dev / etc');
}