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uTorrent "created by" Buffer Overflow Vulnerability
Secunia Advisory: SA31441
Release Date: 2008-08-12
Last Update: 2008-10-07
Popularity: 15,176 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:uTorrent 1.x

Binary Analysis: BA536 :: Available for 1 Credit

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CVE reference:CVE-2008-4434


Description:
A vulnerability has been discovered in uTorrent, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the processing of ".torrent" files. This can be exploited to cause a stack-based buffer overflow by tricking the user into opening a ".torrent" file containing an overly long "created by" field.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 1.7.7 (build 8179). Prior versions may also be affected.

Solution:
Update to version 1.8.0.

Provided and/or discovered by:
Reported as a vulnerability by Rhys Kidd.

Silently patched by the vendor in version 1.8 RC7.

Changelog:
2008-10-07: Added CVE reference.

Original Advisory:
Rhys Kidd:
http://seclists.org/dailydave/2008/q3/0155.html

uTorrent:
http://forum.utorrent.com/viewtopic.php?id=44003


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