Cisco Secure Access Control System up to 5.4 TACACS+ Socket input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Secure Access Control System up to 5.4. Affected by this issue is some unknown functionality of the component TACACS+ Socket Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2013-5470. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Cisco Secure Access Control System up to 5.4 (Network Management Software) and classified as problematic. This issue affects some unknown processing of the component TACACS+ Socket Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

Cisco Secure Access Control System (ACS) does not properly handle requests to read from the TACACS+ socket, which allows remote attackers to cause a denial of service (process crash) via malformed TCP packets, aka Bug ID CSCuh12488.

The weakness was released 09/03/2013 with Cisco as CVE-2013-5470 as confirmed bulletin (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2013-5470 since 08/22/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 62145†), OSVDB (96822†) and Secunia (SA54687†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

08/22/2013 🔍
09/03/2013 +12 days 🔍
09/03/2013 +0 days 🔍
09/03/2013 +0 days 🔍
09/03/2013 +0 days 🔍
09/04/2013 +1 days 🔍
09/05/2013 +1 days 🔍
05/08/2018 +1706 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CVE-2013-5470
Organization: Cisco
Status: Confirmed

CVE: CVE-2013-5470 (🔍)
GCVE (CVE): GCVE-0-2013-5470
GCVE (VulDB): GCVE-100-10121
SecurityFocus: 62145 - Cisco Secure Access Control System CVE-2013-5470 Remote Denial of Service Vulnerability
Secunia: 54687 - Cisco Secure Access Control System (ACS) TACACS+ Socket Denial of Service Vulnerability, Less Critical
OSVDB: 96822

Entryinfo

Created: 09/05/2013 12:48
Updated: 05/08/2018 09:04
Changes: 09/05/2013 12:48 (56), 05/08/2018 09:04 (7)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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