Cisco ASA 3.2(26)/4.1(13) SQL*Net Inspection Engine input validation

CVSS Meta Temp Score
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7.2$0-$5k0.00

A vulnerability was found in Cisco ASA 3.2(26)/4.1(13) (Firewall Software). It has been declared as critical. This vulnerability affects an unknown function of the component SQL*Net Inspection Engine. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

The SQL*Net inspection engine in Cisco Adaptive Security Appliance (ASA) Software 7.x before 7.2(5.12), 8.x before 8.2(5.44), 8.3.x before 8.3(2.39), 8.4.x before 8.4(6), 8.5.x before 8.5(1.18), 8.6.x before 8.6(1.12), 8.7.x before 8.7(1.6), 9.0.x before 9.0(2.10), and 9.1.x before 9.1(2) and Firewall Services Module (FWSM) 3.1.x and 3.2.x before 3.2(27) and 4.x before 4.1(14) allows remote attackers to cause a denial of service (device reload) via crafted segmented Transparent Network Substrate (TNS) packets, aka Bug ID CSCub98434.

The weakness was shared 10/09/2013 as Multiple Vulnerabilities in Cisco ASA Software as confirmed advisory (Website). The advisory is available at tools.cisco.com. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2013-5508 since 08/22/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 70474 (Cisco ASA Software Multiple Vulnerabilities (cisco-sa-20131009-asa)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43394 (Cisco ASA Multiple Vulnerabilities (cisco-sa-20131009-asa)).

Upgrading to version 7.2(5.12) eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (87773) and Tenable (70474). Additional details are provided at tools.cisco.com. The entries 10655, 10656, 10657 and 10658 are related to this item.

Affected

  • Adaptive Security Appliances (ASA) 8.4(5)/9.1(1)

Productinfo

Type

Vendor

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Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 70474
Nessus Name: Cisco ASA Software Multiple Vulnerabilities (cisco-sa-20131009-asa)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ASA 7.2(5.12)

Timelineinfo

08/22/2013 🔍
10/09/2013 +48 days 🔍
10/09/2013 +0 days 🔍
10/09/2013 +0 days 🔍
10/10/2013 +1 days 🔍
10/13/2013 +3 days 🔍
10/13/2013 +0 days 🔍
10/14/2013 +1 days 🔍
05/26/2021 +2781 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Multiple Vulnerabilities in Cisco ASA Software
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-5508 (🔍)
IAVM: 🔍

X-Force: 87773
Vulnerability Center: 41858 - [cisco-sa-20131009-asa, cisco-sa-20131009-fwsm] Cisco ASA Remote Denial of Service via Malicious TNS Packets (CVE-2013-5508), High
Secunia: 55236 - Cisco Firewall Services Module Security Bypass and Denial of Service Vulnerabilities, Less Critical
OSVDB: 98255

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/14/2013 09:57
Updated: 05/26/2021 15:00
Changes: 10/14/2013 09:57 (78), 05/13/2017 09:43 (1), 05/26/2021 15:00 (3)
Complete: 🔍

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