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[Full-disclosure] [CORELAN-10-026] TweakFS Zip Stack BOF

From: Security (securitycorelan.be)
Date: Mon Apr 19 2010 - 06:54:25 CDT

Advisory : CORELAN-10-026
Disclosure date : April 19th, 2010
CVE Reference : CVE-2010-1458

00 : Vulnerability information

 Product : TweakFS Zip Utility
 Version : 1.0 (latest version)
 Vendor : TweakFS
 URL : http://www.tweakfs.com/
 Platform : Windows
 Type of vulnerability : Stack buffer overflow
 Risk rating : High
 Issue fixed in version : not fixed
 Vulnerability discovered by : TecR0c
 Corelan Team :

01 : Vendor description of software

"Create and Extract Zips TweakFS Zip Utility for FSX was designed to be a useful tool for unpacking Zip files downloaded from FS file libraries without the need for an existing 3rd-party Zip application, but the big handy feature is that it has a tree display of the Zip folder structure giving you a clear view of how the files will unpack and into which location."


02 : Vulnerability details

A flaw in how the application handles a overly long filename inside a zip file which an attacker can
utilize in a manner other than the designer intended. This allows the attacker to run arbitrary-code execution on
the victims machine when a specially crafted zip file has been open within the application.


03 : Author/Vendor communication
 April 7, 2010 : author contacted
 April 16, 2010 : sent reminder
 April 19th, 2010 : No response, public disclosure

04: Proof of Concept
You can download a PoC exploit for XP SP3 from

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