Description
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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 2
- Microsoft Office 2010 Beta - Communicator SIP Denial of Service EDB-12079 · dos · Apr 6, 2010
- Microsoft Office - Communicator 'SIP' Remote Denial of Service EDB-7262 · dos · Nov 28, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 7262 exploit
- 39221 vdb-entry
- microsoft-communicator-invite-dos(46673) vdb-entry
- 1021294 vdb-entry
- 12079 exploit
- office-communicator-sip-dos(57581) vdb-entry
- http://www.voipshield.com/research-details.php?id=133
- 32940 third-party-advisory