F5 Networks BIG-IP : BIG-IP Configuration utility vulnerability (K23734425)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K23734425.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(122763);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/03");

  script_cve_id("CVE-2019-6600");

  script_name(english:"F5 Networks BIG-IP : BIG-IP Configuration utility vulnerability (K23734425)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"When remote authentication is enabled for administrative users and all
external users are granted the guest role, unsanitized values can be
reflected to the client via the login page. This can lead to a
cross-site scripting attack against unauthenticated clients.
(CVE-2019-6600)

Impact

BIG-IP

This vulnerability may lead to a cross-site scripting (XSS) attack
against an unauthenticated client via the login Username field.

BIG-IQ, F5 iWorkflow, Enterprise Manager, and Traffix SDC

There is no impact for these F5 products; they are not affected by
this vulnerability.");
  script_set_attribute(attribute:"see_also", value:"https://my.f5.com/manage/s/article/K23734425");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K23734425.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
  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:R/S:C/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-6600");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/12");

  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:/a:f5:big-ip_webaccelerator");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2023 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");

  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');

var sol = 'K23734425';
var vmatrix = {
  'AFM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'AM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'APM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'ASM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'AVR': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'DNS': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'GTM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'LC': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'LTM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'PEM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  },
  'WAM': {
    'affected': [
      '14.0.0','13.0.0-13.1.1','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.8'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.1.4','12.1.4','11.6.3.3','11.5.9'
    ],
  }
};

if (bigip_is_affected(vmatrix:vmatrix, sol:sol))
{
  set_kb_item(name:'www/0/XSS', value:TRUE);
  var extra = NULL;
  if (report_verbosity > 0) extra = bigip_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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');
}