F5 Networks BIG-IP : GnuTLS vulnerability (SOL15637)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution SOL15637.
#
# The text description of this plugin is (C) F5 Networks.
#

include('compat.inc');

if (description)
{
  script_id(78199);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/05");

  script_cve_id("CVE-2013-0169", "CVE-2013-2116");
  script_bugtraq_id(57778, 60215);
  script_xref(name:"CEA-ID", value:"CEA-2019-0547");

  script_name(english:"F5 Networks BIG-IP : GnuTLS vulnerability (SOL15637)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"The _gnutls_ciphertext2compressed function in lib/gnutls_cipher.c in
GnuTLS 2.12.23 allows remote attackers to cause a denial of service
(buffer over-read and crash) via a crafted padding length. NOTE: this
might be due to an incorrect fix for CVE-2013-0169.");
  # http://support.f5.com/kb/en-us/solutions/public/15000/600/sol15637.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?86d6ebf4");
  script_set_attribute(attribute:"solution", value:
"Upgrade to one of the non-vulnerable versions listed in the F5
Solution SOL15637.");
  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:ND/RL:OF/RC:C");

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

  script_set_attribute(attribute:"patch_publication_date", value:"2014/10/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/10/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip:acceleration_manager");
  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_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: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:protocol_security_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip:wan_optimization_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip:web_accelerator_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"F5 Networks Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2014-2022 Tenable Network Security, Inc.");

  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);
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");

sol = "SOL15637";
vmatrix = make_array();

# AFM
vmatrix["AFM"] = make_array();
vmatrix["AFM"]["affected"  ] = make_list("11.3.0-11.4.1");
vmatrix["AFM"]["unaffected"] = make_list("11.5.0-11.6.0");

# AVR
vmatrix["AVR"] = make_array();
vmatrix["AVR"]["affected"  ] = make_list("11.0.0-11.4.1");
vmatrix["AVR"]["unaffected"] = make_list("11.5.0-11.6.0");

# LC
vmatrix["LC"] = make_array();
vmatrix["LC"]["affected"  ] = make_list("11.0.0-11.4.1","10.0.0-10.2.4");
vmatrix["LC"]["unaffected"] = make_list("11.5.0-11.6.0");

# APM
vmatrix["APM"] = make_array();
vmatrix["APM"]["affected"  ] = make_list("11.0.0-11.4.1","10.1.0-10.2.4");
vmatrix["APM"]["unaffected"] = make_list("11.5.0-11.6.0");

# GTM
vmatrix["GTM"] = make_array();
vmatrix["GTM"]["affected"  ] = make_list("11.0.0-11.4.1","10.0.0-10.2.4");
vmatrix["GTM"]["unaffected"] = make_list("11.5.0-11.6.0");

# LTM
vmatrix["LTM"] = make_array();
vmatrix["LTM"]["affected"  ] = make_list("11.0.0-11.4.1","10.0.0-10.2.4");
vmatrix["LTM"]["unaffected"] = make_list("11.5.0-11.6.0");

# PEM
vmatrix["PEM"] = make_array();
vmatrix["PEM"]["affected"  ] = make_list("11.3.0-11.4.1");
vmatrix["PEM"]["unaffected"] = make_list("11.5.0-11.6.0");

# ASM
vmatrix["ASM"] = make_array();
vmatrix["ASM"]["affected"  ] = make_list("11.0.0-11.4.1","10.0.0-10.2.4");
vmatrix["ASM"]["unaffected"] = make_list("11.5.0-11.6.0");

# AM
vmatrix["AM"] = make_array();
vmatrix["AM"]["affected"  ] = make_list("11.4.0-11.4.1");
vmatrix["AM"]["unaffected"] = make_list("11.5.0-11.6.0");


if (bigip_is_affected(vmatrix:vmatrix, sol:sol))
{
  if (report_verbosity > 0) security_warning(port:0, extra:bigip_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = bigip_get_tested_modules();
  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");
}