|
|
>> GNU tar Archive Processing Client-Side Directory Traversal Vulnerability
|
Title : GNU tar Archive Processing Client-Side Directory Traversal Vulnerability
VUPEN ID : VUPEN/ADV-2007-2958
CVE ID : CVE-2007-4131
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-08-24
|
A vulnerability has been identified in GNU tar, which could be exploited by attackers to bypass security restrictions and potentially compromise an affected system. This issue is caused by an input validation error in the "contains_dot_dot()" [src/names.c] function that does not properly validate file and directory names, which could be exploited by attackers to overwrite arbitrary files by tricking a user into extracting a specially crafted archive.
Affected Products
GNU tar version 1.18 and prior
Solution
A fix is available via CVS :
http://cvs.savannah.gnu.org/viewvc/tar/src/names.c?root=tar&r1=1.63&r2=1.64&sortby=date
References
http://www.vupen.com/english/advisories/2007/2958
Credits
Vulnerability reported by Dmitry V. Levin.
ChangeLog
2007-08-24 : Initial release
Vulnerability Management
Subscribe to VUPEN VNS and receive real-time e-mail and SMS alerts when new advisories or patches relevant to your systems and network configurations are available.
Feedback
If you have additional information or corrections for this security advisory please submit them via our contact form. | |
|
