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nessusThis script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2024-0328-1.NASL
HistoryFeb 06, 2024 - 12:00 a.m.

SUSE SLES12 Security Update : runc (SUSE-SU-2024:0328-1)

2024-02-0600:00:00
This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
11
suse sles12
security update
runc
vulnerability
linux
cli tool
container
oci specification
file descriptor leak
container escape
malicious image
cve-2024-21626
nessus scanner

CVSS3

8.6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.051

Percentile

93.0%

The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2024:0328-1 advisory.

  • runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned container process (from runc exec) to have a working directory in the host filesystem namespace, allowing for a container escape by giving access to the host filesystem (attack 2). The same attack could be used by a malicious image to allow a container process to gain access to the host filesystem through runc run (attack 1). Variants of attacks 1 and 2 could be also be used to overwrite semi-arbitrary host binaries, allowing for complete container escapes (attack 3a and attack 3b). runc 1.1.12 includes patches for this issue. (CVE-2024-21626)

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# SUSE update advisory SUSE-SU-2024:0328-1. The text itself
# is copyright (C) SUSE.
##

include('compat.inc');

if (description)
{
  script_id(190058);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/09");

  script_cve_id("CVE-2024-21626");
  script_xref(name:"SuSE", value:"SUSE-SU-2024:0328-1");
  script_xref(name:"IAVA", value:"2024-A-0071");

  script_name(english:"SUSE SLES12 Security Update : runc (SUSE-SU-2024:0328-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by a vulnerability as referenced
in the SUSE-SU-2024:0328-1 advisory.

  - runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In
    runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned
    container process (from runc exec) to have a working directory in the host filesystem namespace, allowing
    for a container escape by giving access to the host filesystem (attack 2). The same attack could be used
    by a malicious image to allow a container process to gain access to the host filesystem through runc run
    (attack 1). Variants of attacks 1 and 2 could be also be used to overwrite semi-arbitrary host binaries,
    allowing for complete container escapes (attack 3a and attack 3b). runc 1.1.12 includes patches for
    this issue. (CVE-2024-21626)

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://bugzilla.suse.com/1218894");
  # https://lists.suse.com/pipermail/sle-security-updates/2024-February/017865.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e821a77d");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2024-21626");
  script_set_attribute(attribute:"solution", value:
"Update the affected runc package.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-21626");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'runc (docker) File Descriptor Leak Privilege Escalation');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/01/31");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/02/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/02/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:runc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  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_family(english:"SuSE Local Security Checks");

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

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item("Host/SuSE/release");
if (isnull(os_release) || os_release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
var os_ver = pregmatch(pattern: "^(SLE(S|D)(?:_SAP)?\d+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'SUSE');
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12|SLES_SAP12)$", string:os_ver)) audit(AUDIT_OS_NOT, 'SUSE SLES12 / SLES_SAP12', 'SUSE (' + os_ver + ')');

if (!get_kb_item("Host/SuSE/rpm-list")) 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, 'SUSE (' + os_ver + ')', cpu);

var service_pack = get_kb_item("Host/SuSE/patchlevel");
if (isnull(service_pack)) service_pack = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(0|3|4|5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES12 SP0/3/4/5", os_ver + " SP" + service_pack);
if (os_ver == "SLES_SAP12" && (! preg(pattern:"^(0|3|4|5)$", string:service_pack))) audit(AUDIT_OS_NOT, "SLES_SAP12 SP0/3/4/5", os_ver + " SP" + service_pack);

var pkgs = [
    {'reference':'runc-1.1.12-16.46.1', 'sp':'0', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12', 'SLES_SAP-release-12.3', 'SLES_SAP-release-12.4', 'SLES_SAP-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'3', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12', 'SLES_SAP-release-12.3', 'SLES_SAP-release-12.4', 'SLES_SAP-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'4', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12', 'SLES_SAP-release-12.3', 'SLES_SAP-release-12.4', 'SLES_SAP-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'5', 'release':'SLES_SAP12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLES_SAP-release-12', 'SLES_SAP-release-12.3', 'SLES_SAP-release-12.4', 'SLES_SAP-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'0', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-12', 'sle-module-containers-release-12-0', 'sles-release-12', 'sles-release-12.3', 'sles-release-12.4', 'sles-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'3', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-12', 'sle-module-containers-release-12-0', 'sles-release-12', 'sles-release-12.3', 'sles-release-12.4', 'sles-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'4', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-12', 'sle-module-containers-release-12-0', 'sles-release-12', 'sles-release-12.3', 'sles-release-12.4', 'sles-release-12.5']},
    {'reference':'runc-1.1.12-16.46.1', 'sp':'5', 'release':'SLES12', 'rpm_spec_vers_cmp':TRUE, 'exists_check':['SLE_HPC-release-12', 'sle-module-containers-release-12-0', 'sles-release-12', 'sles-release-12.3', 'sles-release-12.4', 'sles-release-12.5']}
];

var ltss_caveat_required = FALSE;
var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var exists_check = NULL;
  var rpm_spec_vers_cmp = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (reference && _release) {
    if (exists_check) {
      var check_flag = 0;
      foreach var check (exists_check) {
        if (!rpm_exists(release:_release, rpm:check)) continue;
        check_flag++;
      }
      if (!check_flag) continue;
    }
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, rpm_spec_vers_cmp:rpm_spec_vers_cmp)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'runc');
}

CVSS3

8.6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.051

Percentile

93.0%