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Insecure Library Loading
Moderately critical

Rasterbar Software libtorrent "bdecode_recursive()" Stack Overflow Vulnerability

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Release Date:  2008-02-04    Last Update:  2008-02-12    Views:  20,672

Secunia Advisory SA28699

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Rasterbar Software libtorrent, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the "bdecode_recursive()" function in include/libtorrent/bencode.hpp when processing certain bencoded data. This can be exploited to cause a stack overflow and crash an application using the library by sending specially crafted bencoded messages.

The vulnerability is reported in versions prior to 0.12.1.


Solution:
Update to version 0.12.1.

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://libtorrent.svn.sourceforge.net/viewvc/libtorrent/branches/RC_0_12/include/libtorrent/bencode.hpp?r1=956&r2=1968&pathrev=1968

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Rasterbar Software libtorrent "bdecode_recursive()" Stack Overflow Vulnerability

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