National Cyber-Alert System
Vulnerability Summary for CVE-2008-4543
Original release date:10/13/2008
Last revised:12/24/2008
Source:
US-CERT/NIST
Overview
Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity authentication), allows remote attackers to cause a denial of service (session exhaustion) via a large number of connections.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: XF
Name: cisco-unityserver-session-handling-dos(45743)
External Source: MISC
Name: http://www.voipshield.com/research-details.php?id=128
External Source: BID
Name: 31642
External Source: VUPEN
Name: ADV-2008-2771
Type: Advisory
External Source: CISCO
Name: 20081008 VoIPshield Reported Vulnerabilities in Cisco Unity Server
Type: Advisory
External Source: SECTRACK
Name: 1021013
External Source: SECUNIA
Name: 32187
Type: Advisory