Ubuntu 16.04 LTS / 18.04 LTS : Pacemaker vulnerabilities (USN-3952-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-3952-1. 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(124274);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/21");

  script_cve_id("CVE-2018-16877", "CVE-2018-16878", "CVE-2019-3885");
  script_xref(name:"USN", value:"3952-1");

  script_name(english:"Ubuntu 16.04 LTS / 18.04 LTS : Pacemaker vulnerabilities (USN-3952-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"Jan Pokorny discovered that Pacemaker incorrectly handled
client-server authentication. A local attacker could possibly use this
issue to escalate privileges. (CVE-2018-16877)

Jan Pokorny discovered that Pacemaker incorrectly handled certain
verifications. A local attacker could possibly use this issue to cause
a denial of service. (CVE-2018-16878)

Jan Pokorny discovered that Pacemaker incorrectly handled certain
memory operations. A local attacker could possibly use this issue to
obtain sensitive information in log outputs. This issue only applied
to Ubuntu 18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04. (CVE-2019-3885).

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-3952-1");
  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:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/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-2019-3885");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-16877");

  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:"2019/04/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/04/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pacemaker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pacemaker-cli-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pacemaker-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pacemaker-remote");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:pacemaker-resource-agents");
  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:libcib-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcib4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcrmcluster-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcrmcluster4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcrmcommon-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcrmcommon3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcrmservice-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libcrmservice3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:liblrmd-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:liblrmd1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpe-rules2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpe-status10");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpengine-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpengine10");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libstonithd-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libstonithd2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtransitioner2");
  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) 2019-2023 Canonical, Inc. / NASL script (C) 2019-2023 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 (! ('16.04' >< os_release || '18.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 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': '16.04', 'pkgname': 'libcib-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcib4', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcrmcluster-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcrmcluster4', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcrmcommon-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcrmcommon3', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcrmservice-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libcrmservice3', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'liblrmd-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'liblrmd1', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libpe-rules2', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libpe-status10', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libpengine-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libpengine10', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libstonithd-dev', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libstonithd2', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'libtransitioner2', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'pacemaker', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'pacemaker-cli-utils', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'pacemaker-common', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'pacemaker-remote', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'pacemaker-resource-agents', 'pkgver': '1.1.14-2ubuntu1.6'},
    {'osver': '18.04', 'pkgname': 'libcib-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcib4', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcrmcluster-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcrmcluster4', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcrmcommon-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcrmcommon3', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcrmservice-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libcrmservice3', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'liblrmd-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'liblrmd1', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libpe-rules2', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libpe-status10', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libpengine-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libpengine10', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libstonithd-dev', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libstonithd2', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'libtransitioner2', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'pacemaker', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'pacemaker-cli-utils', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'pacemaker-common', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'pacemaker-remote', 'pkgver': '1.1.18-0ubuntu1.1'},
    {'osver': '18.04', 'pkgname': 'pacemaker-resource-agents', 'pkgver': '1.1.18-0ubuntu1.1'}
];

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, 'libcib-dev / libcib4 / libcrmcluster-dev / libcrmcluster4 / etc');
}