F5 Networks BIG-IP : Appliance mode TMUI authenticated remote command execution vulnerability (K18132488)

##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K18132488.
#
# @NOAGENT@
##

include('compat.inc');

if (description)
{
  script_id(147636);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/03");

  script_cve_id("CVE-2021-22987");
  script_xref(name:"IAVA", value:"2021-A-0127");
  script_xref(name:"CEA-ID", value:"CEA-2021-0017");

  script_name(english:"F5 Networks BIG-IP : Appliance mode TMUI authenticated remote command execution vulnerability (K18132488)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"The version of F5 Networks BIG-IP installed on the remote host is prior to 11.6.5.3 / 12.1.5.3 / 13.1.3.6 / 14.1.4 /
15.1.2.1 / 16.0.1.1 / 16.1.0. It is, therefore, affected by a vulnerability as referenced in the K18132488 advisory.

  - On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before
    13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3 when running in Appliance mode, the Traffic
    Management User Interface (TMUI), also referred to as the Configuration utility, has an authenticated
    remote command execution vulnerability in undisclosed pages. Note: Software versions which have reached
    End of Software Development (EoSD) are not evaluated. (CVE-2021-22987)

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://my.f5.com/manage/s/article/K18132488");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K18132488.");
  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:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/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-2021-22987");

  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:"2021/03/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/10");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_access_policy_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_advanced_firewall_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_acceleration_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_security_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_visibility_and_reporting");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_domain_name_system");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_global_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_link_controller");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_local_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_policy_enforcement_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"F5 Networks Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("f5_bigip_detect.nbin");
  script_require_keys("Host/local_checks_enabled", "Host/BIG-IP/hotfix", "Host/BIG-IP/modules", "Host/BIG-IP/version", "Settings/ParanoidReport");

  exit(0);
}


include('f5_func.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var version = get_kb_item('Host/BIG-IP/version');
if ( ! version ) audit(AUDIT_OS_NOT, 'F5 Networks BIG-IP');
if ( isnull(get_kb_item('Host/BIG-IP/hotfix')) ) audit(AUDIT_KB_MISSING, 'Host/BIG-IP/hotfix');
if ( ! get_kb_item('Host/BIG-IP/modules') ) audit(AUDIT_KB_MISSING, 'Host/BIG-IP/modules');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var sol = 'K18132488';
var vmatrix = {
  'AFM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'AM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'APM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'ASM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'AVR': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'DNS': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'GTM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'LC': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'LTM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  },
  'PEM': {
    'affected': [
      '16.0.0-16.0.1','15.1.0-15.1.2','14.1.0-14.1.3','13.1.0-13.1.3','12.1.0-12.1.5','11.6.1-11.6.5'
    ],
    'unaffected': [
      '16.1.0','16.0.1.1','15.1.2.1','14.1.4','13.1.3.6','12.1.5.3','11.6.5.3'
    ],
  }
};

if (bigip_is_affected(vmatrix:vmatrix, sol:sol))
{
  var extra = NULL;
  if (report_verbosity > 0) extra = bigip_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : extra
  );
}
else
{
  var tested = bigip_get_tested_modules();
  var audit_extra = 'For BIG-IP module(s) ' + tested + ',';
  if (tested) audit(AUDIT_INST_VER_NOT_VULN, audit_extra, version);
  else audit(AUDIT_HOST_NOT, 'running any of the affected modules');
}