December 11, 2007
DirectX is prone to a stack-based buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied data An attacker could exploit this issue to execute arbitrary code within the privileges of the currently logged-in user. Failed exploit attempts may crash the application. NOTE: Windows Media Player 6.4 on Windows 2000 was previously stated not to be an attack vector. The vendor has corrected this information to state that it is a possible attack vector.
- 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
- HP Storage Management Appliance 2.1
- HP Storage Management Appliance I
- HP Storage Management Appliance II
- HP Storage Management Appliance III
- Microsoft DirectX 7.0
- Microsoft DirectX 8.1
- Nortel Networks CallPilot 1002rp
- Nortel Networks CallPilot 200i
- Nortel Networks CallPilot 201i
- Nortel Networks CallPilot 702t
- Nortel Networks CallPilot 703t
- Nortel Networks Centrex IP Client Manager 10.0
- Nortel Networks Centrex IP Client Manager 9.0
Do not accept or execute files from untrusted or unknown sources.
Malicious media files may be sent via email, hosted on a web page, or sent through instant messaging or other means. Never accept or open any files that originate from an untrusted source.
Do not follow links provided by unknown or untrusted sources.
Do not visit sites of questionable integrity, especially if solicited to do so by an untrusted or unfamiliar source.
Implement multiple redundant layers of security.
Memory-protection schemes such as nonexecutable stack/heap configurations and randomly mapped memory segments may complicate exploits of memory-corruption vulnerabilities.
Run all software as a nonprivileged user with minimal access rights.
Ensure that all nonadministrative tasks, such as browsing the web and reading email, are performed as an unprivileged user with minimal access rights.
Microsoft has released updates and an advisory to address this issue. Please see the references for more information.
Jun Mao of VeriSign iDefense is credited with the discovery of this vulnerability.
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