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TITLE:
QuarkXPress Word Document Text-Import Font Handling Buffer Overflow

SECUNIA ADVISORY ID:
SA25994

VERIFY ADVISORY:
http://secunia.com/advisories/25994/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
QuarkXPress 6.x
http://secunia.com/product/2655/
QuarkXPress 5.x
http://secunia.com/product/833/
QuarkXPress 4.x
http://secunia.com/product/842/
QuarkXPress 7.x
http://secunia.com/product/14745/

DESCRIPTION:
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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