Tan Chew Keong has discovered a vulnerability in QuarkXPress, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in the MSWord text-import extension when handling font names. This can be exploited to cause a stack-based buffer overflow via an overly long font name (more than 256 bytes).
Successful exploitation allows execution of arbitrary code when a user imports text from a malicious MSWord document using e.g. the "Rectangle Text Box" tool.
The vulnerability is confirmed in version 7.2. Other versions may also be affected.
Solution: Import text from trusted Word documents only.
Provided and/or discovered by: Tan Chew Keong, vuln.sg.
Original Advisory: http://vuln.sg/quarkxpress72-en.html
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Subject: QuarkXPress Word Document Text-Import Font Handling Buffer Overflow
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