National Cyber Awareness System
Vulnerability Summary for CVE-2011-4019
Original release date:05/03/2012
Last revised:05/30/2012
Source:
US-CERT/NIST
Overview
Memory leak in Cisco IOS 12.4 and 15.0 through 15.2, and Cisco Unified Communications Manager (CUCM) 7.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted response to a SIP SUBSCRIBE message, aka Bug IDs CSCto93837 and CSCtj61883.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: http://www.cisco.com/web/software/282074295/90289/cucm-readme-715bsu5.pdf
External Source: CONFIRM
Name: http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151TCAVS.html
Technical Details
- Resource Management Errors (CWE-399)