Cisco Content Services Switch 11500 SSL memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco Content Services Switch 11500. This vulnerability affects unknown code of the component SSL Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2005-3426. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Content Services Switch 11500. This issue affects some unknown functionality of the component SSL Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cisco CSS 11500 Content Services Switch (CSS) with SSL termination services allows remote attackers to cause a denial of service (memory corruption and device reload) via a malformed client certificate during SSL session negotiation.

The bug was discovered 10/19/2005. The weakness was shared 10/19/2005 with Cisco (Website). The advisory is shared at cisco.com. The identification of this vulnerability is CVE-2005-3426 since 11/01/2005. 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.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43093 (Cisco 11500 Content Services Switch Malformed SSL Client Certificate Denial of Service Vulnerability).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com.

The vulnerability is also documented in the databases at X-Force (22782), SecurityFocus (BID 15144†), OSVDB (20119†), Secunia (SA17260†) and SecurityTracker (ID 1015081†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Memory corruption
CWE: CWE-119
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com

Timelineinfo

10/19/2005 🔍
10/19/2005 +0 days 🔍
10/19/2005 +0 days 🔍
10/19/2005 +0 days 🔍
10/20/2005 +1 days 🔍
10/20/2005 +0 days 🔍
10/20/2005 +0 days 🔍
10/24/2005 +3 days 🔍
10/27/2005 +3 days 🔍
11/01/2005 +5 days 🔍
11/01/2005 +0 days 🔍
06/29/2025 +7180 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2005-3426 (🔍)
GCVE (CVE): GCVE-0-2005-3426
GCVE (VulDB): GCVE-100-1829
X-Force: 22782
SecurityFocus: 15144 - Cisco 11500 Content Services Switch Malformed SSL Client Certificate Denial of Service Vulnerability
Secunia: 17260 - Cisco CSS SSL Client Certificate Handling Denial of Service, Moderately Critical
OSVDB: 20119 - Cisco CSS SSL Client Certificate Handling DoS
SecurityTracker: 1015081
Vulnerability Center: 9475 - [cisco-sa-20051019-css] DoS in Cisco 11500 Content Services Switch SSL via Malformed Client Certific, Medium

Entryinfo

Created: 10/24/2005 16:33
Updated: 06/29/2025 02:35
Changes: 10/24/2005 16:33 (80), 07/05/2019 06:27 (1), 06/29/2025 02:35 (17)
Complete: 🔍
Cache ID: 216::103

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