Microsoft Communicator SIP INVITE message unspecified denial of service
| microsoft-communicator-invite-dos (46673) |  Low Risk |
Description:
Microsoft Communicator is vulnerable to a denial of service, caused by an unspecified error when handling SIP INVITE messages. By sending a flood of SIP INVITE messages, a remote attacker could exploit this vulnerability to cause the utilization of all memory resources.
Platforms Affected:
- Microsoft, Office Communicator
Remedy:
No remedy available as of July 4, 2009.
Consequences:
Denial of Service
References:
- Microsoft Office Online Web site, Microsoft Office Communicator at http://office.microsoft.com/en-us/communicator/default.aspx.
- VoIP Security Advisory, 2008-11-11, Microsoft Communicator INVITE Flood Denial of Service at http://www.voipshield.com/research-details.php?id=133.
- CVE-2008-5180: Microsoft Communicator allows remote attackers to cause a denial of service (memory consumption) via a large number of SIP INVITE requests, which trigger the creation of many sessions.
- SA32940: Microsoft Office Communications Server SIP INVITE Denial of Service
- SECTRACK ID: 1021294: Microsoft Office Communicator VoIP Processing Bugs Let Remote Users Deny Service
Reported:
Nov 11, 2008
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