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TITLE:
KTorrent Two Vulnerabilities

SECUNIA ADVISORY ID:
SA24486

VERIFY ADVISORY:
http://secunia.com/advisories/24486/

CRITICAL:
Moderately critical

IMPACT:
Unknown, Manipulation of data

WHERE:
>From remote

SOFTWARE:
KTorrent 2.x
http://secunia.com/product/13634/

DESCRIPTION:
Two vulnerabilities have been reported in KTorrent, one of which has
an unknown impact, and the other can be exploited by malicious people
to overwrite arbitrary files on a user's system.

1) The vulnerability is caused due to an unspecified error when
processing messages with invalid chunk indexes.

2) 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.

SOLUTION:
Update to version 2.1.2.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Bryan Burns, Juniper Networks.

ORIGINAL ADVISORY:
http://ktorrent.org/forum/viewtopic.php?t=1401

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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