Description: Two vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious people to compromise a vulnerable system.
1) An error in the way GDI (Graphics Device Interface) handles integer calculations when processing image file headers can be exploited to cause a heap-based buffer overflow via an EMF or WMF image file with specially crafted header values (e.g. colour depth).
2) A boundary error in GDI when handling filename parameters in EMF files can be exploited to cause a stack-based buffer overflow via a specially crafted EMF file.
Successful exploitation of the vulnerabilities may allow execution of arbitrary code.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Provided and/or discovered by: 1) The vendor credits:
* Jun Mao, iDefense Labs.
* Sebastian Apelt, reported via Zero Day Initiative.
* Thomas Garnier, SkyRecon.
2) Yamata Li
Changelog: 2008-04-09: Added additional information provided by iDefense Labs and ZDI.
2008-04-14: Added link to US-CERT.
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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