F5 Networks BIG-IP : ssldump vulnerability (K46121888)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K46121888.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(118668);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/02");

  script_cve_id("CVE-2018-5519");

  script_name(english:"F5 Networks BIG-IP : ssldump vulnerability (K46121888)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"Administrative users by way of undisclosed methods can exploit the
ssldump utilityto write to arbitrary file paths. For users who do not
have Advanced Shell access (for example, any user when licensed for
Appliance Mode), this allows more permissive file access than
intended. (CVE-2018-5519)

Impact

This vulnerability allows unauthorized modification.");
  script_set_attribute(attribute:"see_also", value:"https://my.f5.com/manage/s/article/K46121888");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K46121888.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/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:H/UI:N/S:U/C:N/I:H/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-2018-5519");

  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_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");

  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 = 'K46121888';
var vmatrix = {
  'AFM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'AM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'APM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'ASM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'AVR': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'DNS': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'GTM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'LC': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'LTM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'PEM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  },
  'WAM': {
    'affected': [
      '13.0.0-13.1.0','12.1.0-12.1.3','11.2.1-11.6.3'
    ],
    'unaffected': [
      '14.0.0','13.1.0.6','12.1.3.4'
    ],
  }
};

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');
}