Signature Detail

SMB: Microsoft Distributed File System (DFS) Deferral Response Overflow

This signature detects attempts to exploit a known vulnerability in Microsoft Distributed File System (DFS). A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the client.

Extended Description

Microsoft Windows is prone to a remote code-execution vulnerability. The issue affects the Windows Distributed File System (DFS). An attacker can exploit this issue by sending a specially crafted DFS response to the affected application. Successfully exploiting this issue allows an attacker to execute arbitrary code in the context of the application, which may aid the attacker in taking complete control of an affected system.

Affected Products

• Avaya Aura Conferencing 6.0 Standard
• Avaya CallPilot 4.0
• Avaya CallPilot 5.0
• Avaya Communication Server 1000 Telephony Manager 3.0
• Avaya Communication Server 1000 Telephony Manager 4.0
• Avaya Meeting Exchange 5.0
• Avaya Meeting Exchange 5.0.0.0.52
• Avaya Meeting Exchange 5.0 SP1
• Avaya Meeting Exchange 5.0 SP2
• Avaya Meeting Exchange 5.1
• Avaya Meeting Exchange 5.1 SP1
• Avaya Meeting Exchange 5.2
• Avaya Meeting Exchange 5.2 SP1
• Avaya Meeting Exchange 5.2 SP2
• 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 5.2
• Microsoft Windows Server 2003 SP2
• Microsoft Windows Server 2003 Itanium SP2
• Microsoft Windows Server 2003 x64 SP2
• Microsoft Windows XP Professional x64 Edition SP2
• Microsoft Windows XP Service Pack 3

References

• BugTraq: 48180
• CVE: CVE-2011-1868