F5 Networks BIG-IP : BIG-IP FTP profile vulnerability (K15759349)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K15759349.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(127496);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/02");

  script_cve_id("CVE-2019-6645");

  script_name(english:"F5 Networks BIG-IP : BIG-IP FTP profile vulnerability (K15759349)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"FTP traffic passing through a virtual server with both an active FTP
profile associated and connection mirroring configured may cause the
Traffic Management Microkernel (TMM) to stop responding, causing the
configured high availability (HA) action to be taken. (CVE-2019-6645)

Impact

This vulnerability allows remote attackers to cause a
denial-of-service (DoS) on the BIG-IP system.");
  script_set_attribute(attribute:"see_also", value:"https://my.f5.com/manage/s/article/K15759349");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K15759349.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  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:N/S:U/C:N/I:N/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-2019-6645");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/12");

  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:/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", "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 = 'K15759349';
var vmatrix = {
  'AFM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'AM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'APM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'ASM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'AVR': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'DNS': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'GTM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'LC': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'LTM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'PEM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  },
  'WAM': {
    'affected': [
      '14.1.0','14.0.0','13.1.0-13.1.1','12.1.0-12.1.4','11.5.2-11.6.5'
    ],
    'unaffected': [
      '15.0.0','14.1.0.6','13.1.3','12.1.5','11.6.5.1'
    ],
  }
};

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_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');
}