Kaveh Ghaemmaghami has discovered two vulnerabilities in Corel PDF Fusion, which can be exploited by malicious people to compromise a user's system.
1) The application loads a library (wintab32.dll) in an insecure manner. This can be exploited to load arbitrary libraries by tricking a user into e.g. opening a ".pdf" or ".xps" file located on a remote WebDAV or SMB share.
2) A boundary error exists when parsing names in ZIP directory entries of a XPS file and can be exploited to cause a stack-based buffer overflow by tricking a user into opening a specially crafted XPS file.
Successful exploitation of the vulnerabilities allows execution of arbitrary code.
The vulnerabilities are confirmed in version 1.11. Other versions may also be affected.
Solution: No official solution is currently available.
Provided and/or discovered by: Kaveh Ghaemmaghami via Secunia
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Subject: Corel PDF Fusion Insecure Library Loading and XPS Processing Buffer Overflow Vulnerabiliti
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