F5 Networks BIG-IP : Apache Portable Runtime vulnerability (K52319810)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K52319810.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(118678);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/02");

  script_cve_id("CVE-2017-12613");

  script_name(english:"F5 Networks BIG-IP : Apache Portable Runtime vulnerability (K52319810)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"When apr_time_exp*() or apr_os_exp_time*() functions are invoked with
an invalid month field value in Apache Portable Runtime APR 1.6.2 and
prior, out of bounds memory may be accessed in converting this value
to an apr_time_exp_t value, potentially revealing the contents of a
different static heap value or resulting in program termination, and
may represent an information disclosure or denial of service
vulnerability to applications which call these APR functions with
unvalidated external input. (CVE-2017-12613)

Impact

This vulnerability may allow unauthorized information disclosure or
denial of service.");
  script_set_attribute(attribute:"see_also", value:"https://my.f5.com/manage/s/article/K52319810");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5 Solution K52319810.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/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:L/AC:L/PR:L/UI:N/S:U/C:H/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-2017-12613");

  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:"2017/10/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/03/14");
  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_local_traffic_manager");
  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 = 'K52319810';
var vmatrix = {
  'AFM': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'AM': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'APM': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'ASM': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'AVR': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'DNS': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'GTM': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  },
  'LTM': {
    'affected': [
      '14.0.0','13.0.0-13.1.0','12.1.0-12.1.3','11.6.1-11.6.3','11.5.1-11.5.7','11.2.1'
    ],
    'unaffected': [
      '14.1.0','14.0.0.3','13.1.0.6','12.1.3.6'
    ],
  }
};

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_NOTE,
      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');
}