|
|
|
Vulnerability Note VU#804089Microsoft DirectX SAMI parsing buffer overflowOverviewMicrosoft DirectX is vulnerable to a stack-based buffer overflow. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.I. DescriptionMicrosoft DirectX is a feature of the Microsoft Windows operating system used for streaming multimedia content. DirectX integrates DirectShow technology to provide high-quality capture of streaming media such as video and audio. A stack-based buffer overflow exists due to DirectShow's improper parsing of Synchonized Accessible Media Interchange (SAMI) files. By successfully persuading a user to access a specially crafted SAMI file, a remote, unauthenticated attacker could trigger the buffer overflow.II. ImpactA remote, unauthenticated attacker could execute arbitrary code on a vulnerable system.III. SolutionMicrosoft has published Microsoft Security Bulletin MS07-064 in response to this issue. Users are strongly encouraged to review this bulletin and apply the referenced patches.In addition to the patches referenced above, Microsoft has published workarounds for this issue. Users who are unable to apply the patches are strongly encouraged to implement these workarounds as appropriate.
References
Microsoft credits Jun Mao of VeriSign iDefense Labs for reporting this vulnerability. This document was written by Joseph W. Pruszynski.
If you have feedback, comments, or additional information about this vulnerability, please send us
email. |
|||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||
Get Adobe Reader