Vulnerabilities > CVE-2013-3458 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Cisco Adaptive Security Appliance Software

047910
CVSS 0.0 - NONE
Attack vector
UNKNOWN
Attack complexity
UNKNOWN
Privileges required
UNKNOWN
Confidentiality impact
UNKNOWN
Integrity impact
UNKNOWN
Availability impact
UNKNOWN

Summary

Cisco Adaptive Security Appliances (ASA) devices, when SMP is used, do not properly process X.509 certificates, which allows remote attackers to cause a denial of service (device crash) via a large volume of (1) SSL or (2) TLS traffic, aka Bug ID CSCuh19462.

Vulnerable Configurations

Part Description Count
OS
Cisco
1

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Nessus

NASL familyCISCO
NASL idCISCO-SN-CSCUH19462-ASA.NASL
descriptionCisco Adaptive Security Appliance (ASA) Software versions for symmetric multi-processor (SMP) platforms contain a vulnerability that could allow an unauthenticated, remote attacker to trigger the device to crash. The vulnerability is due to the SSL/TLS certificate handling code. An attacker could exploit this vulnerability by generating a heavy SSL/TLS traffic load, which under selected circumstances may trigger the crash.
last seen2020-06-01
modified2020-06-02
plugin id72509
published2014-02-14
reporterThis script is Copyright (C) 2014-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/72509
titleCisco ASA Certificate Processing Denial of Service (CSCuh19462)
code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text in this plugin was extracted from Cisco
# Security Notice CVE-2013-3458. The text itself is
# copyright (C) Cisco.
#

include("compat.inc");

if (description)
{
  script_id(72509);
  script_version("1.5");
  script_cvs_date("Date: 2018/11/15 20:50:20");

  script_cve_id("CVE-2013-3458");
  script_bugtraq_id(62251);
  script_xref(name:"CISCO-BUG-ID", value:"CSCuh19462");

  script_name(english:"Cisco ASA Certificate Processing Denial of Service (CSCuh19462)");
  script_summary(english:"Checks ASA version");

  script_set_attribute(attribute:"synopsis", value:"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(
    attribute:"description",
    value:
"Cisco Adaptive Security Appliance (ASA) Software versions for symmetric
multi-processor (SMP) platforms contain a vulnerability that could allow
an unauthenticated, remote attacker to trigger the device to crash. 

The vulnerability is due to the SSL/TLS certificate handling code.  An
attacker could exploit this vulnerability by generating a heavy SSL/TLS
traffic load, which under selected circumstances may trigger the crash."
  );
  # https://tools.cisco.com/security/center/viewAlert.x?alertId=30673
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dbf05d2f");

  script_set_attribute(attribute:"solution", value:"Apply the relevant patch referenced in Cisco Bug Id CSCuh19462.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:adaptive_security_appliance_software");

  script_set_attribute(attribute:"vuln_publication_date", value:"2013/09/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/09/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/02/14");

  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2014-2018 Tenable Network Security, Inc.");
  script_family(english:"CISCO");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/Cisco/ASA", "Host/Cisco/ASA/model", "Host/Cisco/ASA/SMP");

  exit(0);
}

include("audit.inc");
include("cisco_func.inc");

asa = get_kb_item_or_exit('Host/Cisco/ASA');
model = get_kb_item_or_exit('Host/Cisco/ASA/model');
smp = get_kb_item_or_exit('Host/Cisco/ASA/SMP');
version = extract_asa_version(asa);
if (isnull(version)) audit(AUDIT_FN_FAIL, 'extract_asa_version');

if ((!model =~ '^55[0-9][0-9](|-)X') || (!smp)) audit(AUDIT_HOST_NOT, 'ASA 5500-X');


if (
  cisco_gen_ver_compare(a:version, b:"9.0(1)") == 0 ||
  cisco_gen_ver_compare(a:version, b:"9.0(2)") == 0 ||
  cisco_gen_ver_compare(a:version, b:"9.1(1)") == 0 ||
  cisco_gen_ver_compare(a:version, b:"9.1(1.4)") == 0 ||
  cisco_gen_ver_compare(a:version, b:"9.1(2)") == 0
)
{ 
  if (report_verbosity > 0)
  {
    report =
      '\n  Installed version : ' + version +
      '\n  Fixed version     : 9.1(2.99)' +
      '\n';
    security_hole(port:0, extra:report);
  }
  else security_hole(0);
}
else audit(AUDIT_HOST_NOT, "affected");