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Netsikker nu! 2008
 
Cisco Unified Communications Manager Authentication Bypass and Denial of Service
Secunia Advisory: SA30848
Release Date: 2008-06-26
Popularity: 2,181 views

Critical:
Less critical
Impact: Security Bypass
Exposure of system information
Exposure of sensitive information
DoS
Where: From local network
Solution Status: Vendor Patch

Software:Cisco Unified CallManager 4.x
Cisco Unified CallManager 5.x
Cisco Unified Communications Manager 4.x
Cisco Unified Communications Manager 5.x
Cisco Unified Communications Manager 6.x

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CVE reference:CVE-2008-2061
CVE-2008-2062
CVE-2008-2730


Description:
A vulnerability and a security issue have been reported in Cisco Unified Communications Manager, which can be exploited by malicious people to bypass certain security restrictions or to cause a DoS (Denial of Service).

1) An unspecified error in the Computer Telephony Integration (CTI) Manager service can be exploited to cause a DoS by sending a specially crafted packet to port 2748/TCP.

2) A security issue exists in the Real-Time Information Server (RIS) Data Collector service, which can be exploited to bypass authentication checks and disclose e.g. information about performance statistics, user names, and configured IP phones.

The vulnerability and the security issue affect the following products and versions:
* Cisco Unified CallManager 4.1 versions
* Cisco Unified Communications Manager 4.2 versions prior to 4.2(3)SR4
* Cisco Unified Communications Manager 4.3 versions prior to 4.3(2)SR1
* Cisco Unified Communications Manager 5.x versions prior to 5.1(3c)
* Cisco Unified Communications Manager 6.x versions prior to 6.1(2)

Solution:
Cisco Unified Communications Manager (CUCM) version 4.1:
Upgrade to 4.2(3)SR4.

Cisco Unified Communications Manager (CUCM) version 4.2:
Update to 4.2(3)SR4.

Cisco Unified Communications Manager (CUCM) version 4.3:
Update to 4.3(2)SR1 (available approximately mid-July 2008)

Cisco Unified Communications Manager (CUCM) version 5.1:
Update to 5.1(3c).

Cisco Unified Communications Manager (CUCM) version 6.1:
Update to CUCM version 6.1(2).

Provided and/or discovered by:
VoIPshield

Changelog:
2008-06-26: Added links to VoIPshield.

Original Advisory:
Cisco:
http://www.cisco.com/warp/public/707/cisco-sa-20080625-cucm.shtml

VoIPshield:
http://www.voipshield.com/research-details.php?id=64
http://www.voipshield.com/research-details.php?id=65
http://www.voipshield.com/research-details.php?id=66
http://www.voipshield.com/research-details.php?id=67
http://www.voipshield.com/research-details.php?id=68
http://www.voipshield.com/research-details.php?id=69
http://www.voipshield.com/research-details.php?id=70
http://www.voipshield.com/research-details.php?id=71
http://www.voipshield.com/research-details.php?id=72
http://www.voipshield.com/research-details.php?id=73
http://www.voipshield.com/research-details.php?id=74
http://www.voipshield.com/research-details.php?id=75


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