Cisco Unified Communications Manager up to 8.x denial of service

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

A vulnerability was found in Cisco Unified Communications Manager up to 8.x (Unified Communication Software) and classified as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Unspecified vulnerability in the Service Advertisement Framework (SAF) in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 8.x before 8.5(1) and Cisco Intercompany Media Engine 8.x before 8.5(1) allows remote attackers to cause a denial of service (device reload) via crafted SAF packets, aka Bug ID CSCth26669.

The weakness was shared 08/29/2011 with Cisco (Website). It is possible to read the advisory at securitytracker.com. The identification of this vulnerability is CVE-2011-2563 since 06/27/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 8.0%283a%29su2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (69397). The entry 58380 is related to this item.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

Unified Communications Manager

Version

License

commercial

Support

end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Communications Manager 8.0%283a%29su2

Timelineinfo

06/27/2011 🔍
08/24/2011 +58 days 🔍
08/24/2011 +0 days 🔍
08/24/2011 +0 days 🔍
08/29/2011 +5 days 🔍
08/29/2011 +0 days 🔍
08/30/2011 +1 days 🔍
03/23/2015 +1301 days 🔍
03/30/2017 +738 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securitytracker.com⛔
Organization: Cisco
Status: Confirmed

CVE: CVE-2011-2563 (🔍)
X-Force: 69397
SecurityTracker: 1025969 - Cisco Intercompany Media Engine Bugs Let Remote Users Deny Service
Vulnerability Center: 32891 - [cisco-sa-20110824-ime]Cisco CUCM and Intercompany Media Engine Remote DoS Vulnerability, High
SecurityFocus: 49300 - Cisco Intercompany Media Engine SAF Packets Handling Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 03/30/2017 10:29
Changes: 03/23/2015 16:50 (50), 03/30/2017 10:29 (15)
Complete: 🔍