Norton.com > Viruses & Risks > Microsoft Windows XML Digital Signatures CVE-2013-3869 Remote Denial of Service Vulnerability

Microsoft Windows XML Digital Signatures CVE-2013-3869 Remote Denial of Service Vulnerability

Risk

Medium

Date Discovered

November 12, 2013

Description

Microsoft Windows is prone to a remote denial-of-service vulnerability because it fails sanitize user-supplied input. An attacker can exploit this issue to cause the affected application to stop responding, denying service to legitimate users.

Technologies Affected

  • Avaya CallPilot 4.0
  • Avaya CallPilot 4.0.1
  • Avaya CallPilot 5.0
  • Avaya CallPilot 5.0.1
  • Avaya Communication Server 1000 Telephony Manager 3.0
  • Avaya Communication Server 1000 Telephony Manager 3.0.1
  • Avaya Communication Server 1000 Telephony Manager 4.0
  • Avaya Communication Server 1000 Telephony Manager 4.0.1
  • Avaya Conferencing Standard Edition 6.0
  • Avaya Conferencing Standard Edition 6.0 SP1
  • Avaya Conferencing Standard Edition 6.0.1
  • Avaya Conferencing Standard Edition 7.0
  • Avaya Meeting Exchange - Client Registration Server 5.0
  • Avaya Meeting Exchange - Client Registration Server 5.0.1
  • Avaya Meeting Exchange - Client Registration Server 5.2
  • Avaya Meeting Exchange - Client Registration Server 5.2.1
  • Avaya Meeting Exchange - Client Registration Server 6.0
  • Avaya Meeting Exchange - Client Registration Server 6.2
  • Avaya Meeting Exchange - Recording Server 5.0
  • Avaya Meeting Exchange - Recording Server 5.0.1
  • Avaya Meeting Exchange - Recording Server 5.2
  • Avaya Meeting Exchange - Recording Server 5.2.1
  • Avaya Meeting Exchange - Recording Server 6.0
  • Avaya Meeting Exchange - Recording Server 6.2
  • Avaya Meeting Exchange - Streaming Server 5.0
  • Avaya Meeting Exchange - Streaming Server 5.0.1
  • Avaya Meeting Exchange - Streaming Server 5.2
  • Avaya Meeting Exchange - Streaming Server 5.2.1
  • Avaya Meeting Exchange - Streaming Server 6.0
  • Avaya Meeting Exchange - Streaming Server 6.2
  • Avaya Meeting Exchange - Web Conferencing Server 5.0
  • Avaya Meeting Exchange - Web Conferencing Server 5.0.1
  • Avaya Meeting Exchange - Web Conferencing Server 5.2
  • Avaya Meeting Exchange - Web Conferencing Server 5.2.1
  • Avaya Meeting Exchange - Web Conferencing Server 6.0
  • Avaya Meeting Exchange - Web Conferencing Server 6.2
  • Avaya Meeting Exchange - Webportal 5.0
  • Avaya Meeting Exchange - Webportal 5.0.1
  • Avaya Meeting Exchange - Webportal 5.2
  • Avaya Meeting Exchange - Webportal 5.2.1
  • Avaya Meeting Exchange - Webportal 6.0
  • Avaya Meeting Exchange - Webportal 6.2
  • Avaya Messaging Application Server 4
  • Avaya Messaging Application Server 5
  • Avaya Messaging Application Server 5.0
  • Avaya Messaging Application Server 5.0.1
  • Avaya Messaging Application Server 5.2
  • Avaya Messaging Application Server 5.2.1
  • 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 Windows 7 for 32-bit Systems SP1
  • Microsoft Windows 7 for x64-based Systems SP1
  • Microsoft Windows 8 for 32-bit Systems
  • Microsoft Windows 8 for 64-bit Systems
  • Microsoft Windows 8.1 for 32-bit Systems
  • Microsoft Windows 8.1 for x64-based Systems
  • Microsoft Windows RT
  • Microsoft Windows RT 8.1
  • Microsoft Windows Server 2003 Itanium SP2
  • Microsoft Windows Server 2003 SP2
  • Microsoft Windows Server 2003 x64 SP2
  • Microsoft Windows Server 2008 R2 for Itanium-based Systems SP1
  • Microsoft Windows Server 2008 R2 for x64-based Systems SP1
  • Microsoft Windows Server 2008 for 32-bit Systems SP2
  • Microsoft Windows Server 2008 for Itanium-based Systems SP2
  • Microsoft Windows Server 2008 for x64-based Systems SP2
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Vista SP2
  • Microsoft Windows Vista x64 Edition SP2
  • Microsoft Windows XP Professional x64 Edition SP2
  • Microsoft Windows XP Service Pack 3

Recommendations

Block external access at the network boundary, unless external parties require service.

Filter access to the affected computer at the network boundary if global access isn't required. Restricting access to only trusted computers and networks might greatly reduce the likelihood of exploits.

Run all software as a nonprivileged user with minimal access rights.

To mitigate the potential impact of a successful exploit, run the affected application as a user with minimal access rights.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.

Deploy NIDS to monitor network traffic for anomalous or suspicious activity. Monitor logs generated by NIDS and by the server itself for evidence of attacks against the server.
Updates are available. Please see the references or vendor advisory for more information.

Credits

James Forshaw of Context Information Security.

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