National Cyber Awareness System
Vulnerability Summary for CVE-2011-3288
Original release date:10/06/2011
Last revised:05/14/2012
Source:
US-CERT/NIST
Overview
Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption, and process crash) via a crafted XML document containing a large number of nested entity references, aka Bug IDs CSCtq89842 and CSCtq88547, a similar issue to CVE-2003-1564.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: CISCO
Name: 20110928 Jabber Extensible Communications Platform and Cisco Unified Presence XML Denial of Service Vulnerability
Type: Advisory
Technical Details
- Resource Management Errors (CWE-399)