Cisco Unified Communications Manager up to 7.x resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Cisco Unified Communications Manager up to 7.x. This vulnerability affects unknown code. Executing a manipulation can lead to resource management. This vulnerability is registered as CVE-2011-0941. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Cisco Unified Communications Manager up to 7.x (Unified Communication Software) and classified as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

Memory leak in Cisco Unified Communications Manager (CUCM) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1), and Cisco IOS 12.4 and 15.1, allows remote attackers to cause a denial of service (memory consumption and process failure or device reload) via a malformed SIP message, aka Bug IDs CSCti75128 and CSCtj09179.

The weakness was published 11/01/2011 as 24525 as confirmed vulnerability alert (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2011-0941 since 02/10/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43215 (Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)).

Upgrading to version 7.1%282a%29su1 eliminates this vulnerability.

Similar entries are available at VDB-58809, VDB-58805 and VDB-58801. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

Unified Communications Manager

Version

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Communications Manager 7.1%282a%29su1

Timelineinfo

02/10/2011 🔍
11/01/2011 +264 days 🔍
11/01/2011 +0 days 🔍
03/23/2015 +1238 days 🔍
02/13/2019 +1423 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: 24525
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0941 (🔍)
GCVE (CVE): GCVE-0-2011-0941
GCVE (VulDB): GCVE-100-59260

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 02/13/2019 10:25
Changes: 03/23/2015 16:50 (48), 02/13/2019 10:25 (7)
Complete: 🔍
Cache ID: 216::103