TITLE:
PDF Form Filling and Flattening Tool Field Name Buffer Overflow

SECUNIA ADVISORY ID:
SA20233

VERIFY ADVISORY:
http://secunia.com/advisories/20233/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
PDF Form Filling and Flattening Tool 3.x
http://secunia.com/product/10123/

DESCRIPTION:
George D. Gal has reported a vulnerability in PDF Form Filling and
Flattening Tool, which potentially can be exploited by malicious
people to compromise a user's system.

The vulnerability is caused due to a boundary error within the
handling of form field names. This can be exploited to cause a
stack-based buffer overflow via an overly long field name, supplied
either via a malicious control file or via the command line.

The vulnerability has been reported in version 3.0 for Windows. Other
versions may also be affected.

SOLUTION:
The vulnerability has reportedly been fixed in version 3.1.0.12
released on 2006-05-10.

PROVIDED AND/OR DISCOVERED BY:
George D. Gal, Virtual Security Research.

ORIGINAL ADVISORY:
Virtual Security Research, LLC:
http://www.vsecurity.com/bulletins/advisories/2006/pdf-form-filling.txt

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