Microsoft Communicator SIP INVITE message unspecified denial of service
| microsoft-communicator-invite-dos (46673) |  Medium 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.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 4.8 |
| Exploitability: | Functional |
| Remediation Level: | Unavailable |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
No remedy available as of July 9, 2011.
References:
- Microsoft Office Online Web site: Microsoft Office Communicator.
- VoIP Security Advisory, 2008-11-11: Microsoft Communicator INVITE Flood Denial of Service.
- BID-39221: Microsoft Office Communicator SIP Remote Denial of Service Vulnerability
- CVE-2008-5180: Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, 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
Platforms Affected:
- Microsoft Office Communicator
Reported:
Nov 11, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.