CRI-O package 1.19.x < 1.19.6 / 1.20.x < 1.20.7 / 1.21.x < 1.21.6 / 1.22.x < 1.22.3 / 1.23.x < 1.23.2 Arbitrary Code Execution (CVE-2022-0811)

#%NASL_MIN_LEVEL 70300

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

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

if (description)
{
  script_id(159113);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/06");

  script_cve_id("CVE-2022-0811");
  script_xref(name:"CEA-ID", value:"CEA-2022-0010");

  script_name(english:"CRI-O package 1.19.x < 1.19.6 / 1.20.x < 1.20.7 / 1.21.x < 1.21.6 / 1.22.x < 1.22.3 / 1.23.x < 1.23.2 Arbitrary Code Execution (CVE-2022-0811)");

  script_set_attribute(attribute:"synopsis", value:
"A package installed on the remote host is affected by arbitrary code execution.");
  script_set_attribute(attribute:"description", value:
"The version of the CRI-O package installed on the remote host is 1.19.x prior to 1.19.6, 1.20.x prior to 1.20.7, 1.21.x
prior to 1.21.6, 1.22.x prior to 1.22.3, or 1.23.x prior to 1.23.2. It is, therefore, affected by an arbitrary code
execution vulnerability via abusing the 'kernel.core_pattern' kernel parameter.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7");
  # https://www.crowdstrike.com/blog/cr8escape-new-vulnerability-discovered-in-cri-o-container-engine-cve-2022-0811/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f56a5f3f");
  script_set_attribute(attribute:"solution", value:
"Update to version 1.19.6, 1.20.7, 1.21.6, 1.22.3, 1.23.2 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  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:L/UI:N/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:"cvss_score_source", value:"CVE-2022-0811");

  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:"2022/03/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/03/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/03/21");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:kubernetes:cri-o");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled");

  exit(0);
}

include('rpm.inc');
include('debian_package.inc');
include('ubuntu.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

function crio_check_deb(release)
{
  var flag = 0;
  if (deb_check(release:release, prefix:'cri-o', reference:'1.19.6~0', min:'1.19')) flag++;
  if (deb_check(release:release, prefix:'cri-o', reference:'1.20.7~0', min:'1.20')) flag++;
  if (deb_check(release:release, prefix:'cri-o', reference:'1.21.6~0', min:'1.21')) flag++;
  if (deb_check(release:release, prefix:'cri-o', reference:'1.22.3~0', min:'1.22')) flag++;
  if (deb_check(release:release, prefix:'cri-o', reference:'1.23.2~0', min:'1.23')) flag++;
  return flag;
}

# RPM based distros
var release;
var rpm_flag = 0;
if (rpm_exists(rpm:'cri-o-1.19.') && rpm_check(release:release, reference:'cri-o-1.19.5-3')) rpm_flag++;
if (rpm_exists(rpm:'cri-o-1.19.6') && rpm_check(release:release, reference:'cri-o-1.19.6-0')) rpm_flag++;
if (rpm_exists(rpm:'cri-o-1.20.') && rpm_check(release:release, reference:'cri-o-1.20.7-0')) rpm_flag++;
if (rpm_exists(rpm:'cri-o-1.21.') && rpm_check(release:release, reference:'cri-o-1.21.6-0')) rpm_flag++;
if (rpm_exists(rpm:'cri-o-1.22.') && rpm_check(release:release, reference:'cri-o-1.22.3-0')) rpm_flag++;
if (rpm_exists(rpm:'cri-o-1.23.') && rpm_check(release:release, reference:'cri-o-1.23.2-0')) rpm_flag++;

# Debian
var deb_flag = 0;
deb_flag += crio_check_deb(release:'9.0');
deb_flag += crio_check_deb(release:'10.0');
deb_flag += crio_check_deb(release:'11.0');

# Ubuntu Linux
var ubuntu_flag = 0;
ubuntu_flag += crio_check_deb(release:'14.04');
ubuntu_flag += crio_check_deb(release:'16.04');
ubuntu_flag += crio_check_deb(release:'18.04');
ubuntu_flag += crio_check_deb(release:'20.04');
ubuntu_flag += crio_check_deb(release:'21.04');

if (rpm_flag || deb_flag || ubuntu_flag)
{
  var extra;

  if (rpm_flag)
    extra = rpm_report_get();
  else if (deb_flag)
    extra = deb_report_get();
  else if (ubuntu_flag)
    extra = ubuntu_report_get();

  security_report_v4(
    port: 0,
    severity: SECURITY_HOLE,
    extra: extra
  );
  exit(0);
}
else
  audit(AUDIT_HOST_NOT, 'affected');