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>> W3m Browser "inputAnswer()" SSL Certificate Handling Remote Format String Vulnerability
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Title : W3m Browser "inputAnswer()" SSL Certificate Handling Remote Format String Vulnerability
VUPEN ID : VUPEN/ADV-2006-5164
CVE ID : CVE-2006-6772
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-12-26
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A vulnerability has been identified in w3m, which could be exploited by attackers to take complete control of an affected system. This issue is due to a format string error in the "inputAnswer()" [file.c] function when processing malformed data and the application is running with the "-dump" or "-backend" option, which could be exploited by malicious web sites to execute arbitrary commands via a specially crafted SSL certificate containing a malformed CN (Common Name) field.
Affected Products
w3m version 0.5.1 and prior
Solution
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2006/5164
http://sourceforge.net/tracker/index.php?func=detail&aid=1612792&group_id=39518&atid=425439
ChangeLog
2006-12-26 : Initial release
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