MiniGZip Controls File_Compress Buffer Overflow Vulnerability

Bugtraq ID:	22964
Class:	Boundary Condition Error
CVE:	CVE-2007-1657
Remote:	No
Local:	Yes
Published:	Mar 14 2007 12:00AM
Updated:	May 12 2015 07:33PM
Credit:	starcadi is credited with the discovery of this vulnerability.
Vulnerable:	Jean-loup Gailly minigzip 0
Not Vulnerable:

MiniGZip Controls File_Compress Buffer Overflow Vulnerability

The 'minigzip' tool is prone to a buffer-overflow vulnerability because it fails to bounds-check user-supplied data before copying it into an insufficiently sized buffer.

A local attacker can exploit this issue to execute arbitrary code with the privileges of the user running the affected application. Failed exploit attempts will result in a denial of service.

MiniGZip Controls File_Compress Buffer Overflow Vulnerability

The following proof-of-concept exploit is available:

minigzip `perl -e 'print 'A'x1050'

MiniGZip Controls File_Compress Buffer Overflow Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

MiniGZip Controls File_Compress Buffer Overflow Vulnerability

References:

• Minigzip Homepage (Jean-loup Gailly)