September 14, 2010
Microsoft IIS is prone to a remote denial-of-service vulnerability. An attacker can exploit this issue to force the affected application to become unresponsive, denying service to legitimate users. This issue affects IIS 5.1, 6.0, 7.0, and 7.5.
- Avaya Aura Conferencing 6.0 Standard
- Avaya CallPilot Unified Messaging
- Avaya Meeting Exchange - Client Registration Server
- Avaya Meeting Exchange - Recording Server
- Avaya Meeting Exchange - Streaming Server
- Avaya Meeting Exchange - Web Conferencing Server
- Avaya Meeting Exchange - Webportal
- Avaya Messaging Application Server 4
- Avaya Messaging Application Server 5
- Avaya Messaging Application Server
- Avaya Messaging Application Server MM 1.1
- Avaya Messaging Application Server MM 2.0
- Avaya Messaging Application Server MM 3.0
- Avaya Messaging Application Server MM 3.1
- Microsoft IIS 5.1
- Microsoft IIS 6.0
- Microsoft IIS 7.0
- Microsoft IIS 7.5
Block external access at the network boundary, unless external parties require service.
If possible, block external access to the affected application. Permit access for trusted or internal networks and hosts only.
Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This may indicate exploit attempts or activity that results from a successful exploit.
The vendor released an advisory and updates. Please see the references for more information.
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