Date Discovered October 13, 2009
Description Microsoft Windows Media Player is prone to a remote code-execution vulnerability when handling specially crafted Advanced Systems Format (ASF) files.
An attacker can exploit this issue by enticing an unsuspecting user into opening a malicious file with the vulnerable application. A successful exploit will allow arbitrary code to run in the context of the currently logged-in user.
- Microsoft Windows Media Player 6.4
- Nortel Networks CallPilot 1002rp
- Nortel Networks CallPilot 200i
- Nortel Networks CallPilot 201i
- Nortel Networks CallPilot 702t
- Nortel Networks CallPilot 703t
- Nortel Networks Peri Workstation
- Nortel Networks Self-Service - CCSS7
- Nortel Networks Self-Service CCXML
- Nortel Networks Self-Service MPS 100
- Nortel Networks Self-Service MPS 1000
- Nortel Networks Self-Service MPS 500
- Nortel Networks Self-Service Peri Application
- Nortel Networks Self-Service Peri Workstation
- Nortel Networks Self-Service VoiceXML
- Nortel Networks Self-Service WVADS
Run all software as a nonprivileged user with minimal access rights. To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.
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 includes but is not limited to requests that include NOP sleds and unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from a successful exploit.
Do not accept or execute files from untrusted or unknown sources. To reduce the likelihood of successful attacks, never handle or open files from unknown sources.
Do not follow links provided by unknown or untrusted sources. To reduce the likelihood of successful exploits, never visit sites of questionable integrity or follow links provided by unfamiliar or untrusted sources.
Implement multiple redundant layers of security.
Various memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code. Host-based intrusion-prevention systems may also help prevent exploits.
The vendor has released an advisory and updates. Please see the references for details.
Credits Yamata Li of Palo Alto Networks
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