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KTorrent Two Vulnerabilities Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA24486  
Release Date: 2007-03-12
Last Update: 2007-05-02

Critical:
Moderately critical
Impact: Manipulation of data
System access
Where: From remote
Solution Status: Vendor Patch

Software:KTorrent 2.x

CVE reference:CVE-2007-1384 (Secunia mirror)
CVE-2007-1385 (Secunia mirror)
CVE-2007-1799 (Secunia mirror)

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Description:
Two vulnerabilities have been reported in KTorrent, which can be exploited by malicious people to overwrite arbitrary files on a user's system or to potentially compromise a user's system.

1) An input validation error when processing paths of filenames within torrents can be exploited to e.g. overwrite arbitrary files with the privileges of the user running the application via directory traversal attacks.

2) An error in the processing of messages with invalid chunk indexes can be exploited to corrupt memory and may allow execution of arbitrary code.

Solution:
Update to version 2.1.3.

Provided and/or discovered by:
The vendor credits Bryan Burns, Juniper Networks.

Changelog:
2007-03-13: Updated "Description" section.
2007-04-03: Added CVE references.
2007-05-02: Updated "Solution" due to an incorrect fix of vulnerability #1, reported by Matt Drew. Added CVE reference.

Original Advisory:
http://ktorrent.org/forum/viewtopic.php?t=1401



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.


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