F5 Networks BIG-IP : TMM with HTTP/2 vulnerability (K45320419)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K45320419.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(118664);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/02");

  script_cve_id("CVE-2018-5514");

  script_name(english:"F5 Networks BIG-IP : TMM with HTTP/2 vulnerability (K45320419)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"Maliciously crafted HTTP/2 request frames can lead to denial of
service. There is data plane exposure for virtual servers when the
HTTP2 profile is enabled. There is no control plane exposure to this
issue. (CVE-2018-5514)

Impact

The BIG-IP system may temporarily fail to process traffic as it
recovers from a Traffic Management Microkernel (TMM) restart, and
devices configured as a high availability (HA) pair may fail over.");
  script_set_attribute(attribute:"see_also", value:"https://my.f5.com/manage/s/article/K45320419");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K45320419.");
  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-2018-5514");

  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:"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_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");

  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 = 'K45320419';
var vmatrix = {
  'AFM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'AM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'APM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'ASM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'LC': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'LTM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'PEM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','13.1.0.6'
    ],
  },
  'WAM': {
    'affected': [
      '14.0.0','13.1.0'
    ],
    'unaffected': [
      '14.1.0','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_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');
}