F5 Networks BIG-IP : BIG-IP system vulnerability (K51754851)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K51754851.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(118674);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/02");

  script_cve_id("CVE-2018-5512");

  script_name(english:"F5 Networks BIG-IP : BIG-IP system vulnerability (K51754851)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"WhenLarge Receive Offload(LRO)and SYN cookies are enabled (default
settings), undisclosed traffic patterns may cause TMM to restart.
(CVE-2018-5512)

Impact

An attacker may be able to causea disruption of service. Exposure to
this vulnerability is limited to the data plane on hardwareplatforms.
There is no exposure to the control plane or BIG-IPVirtual Edition
(VE). The BIG-IP system will take the configured high availability
(HA) action for the Traffic Management Microkernel (TMM) when
experiencing this issue.");
  script_set_attribute(attribute:"see_also", value:"https://my.f5.com/manage/s/article/K51754851");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K51754851.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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: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-2018-5512");

  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:"2018/05/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/04/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/02");

  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) 2018-2023 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 = 'K51754851';
var vmatrix = {
  'AFM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'AM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'APM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'ASM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'AVR': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'DNS': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'GTM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'LC': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'LTM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'PEM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  },
  'WAM': {
    'affected': [
      '13.1.0'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6'
    ],
  }
};

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');
}