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TITLE:
KTorrent Web Interface Torrent Upload and PHP Code Injection

SECUNIA ADVISORY ID:
SA32442

VERIFY ADVISORY:
http://secunia.com/advisories/32442/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, System access

WHERE:
>From remote

SOFTWARE:
KTorrent 3.x
http://secunia.com/advisories/product/20248/

DESCRIPTION:
Some vulnerabilities have been discovered in KTorrent, which can be
exploited by malicious users to compromise a vulnerable system and
malicious people to bypass certain security restrictions.

1) The web interface plugin does not properly restrict access to the
torrent upload functionality. This can be exploited to upload
arbitrary torrent files by sending specially crafted HTTP POST
request to the affected application.

2) The web interface plugin does not properly sanitise request
parameters before passing them to the PHP interpreter. This can be
exploited to inject and execute arbitrary PHP code by passing
specially crafted parameters to the PHP scripts of the web
interface.

Successful exploitation of the vulnerabilities requires that the web
interface plugin is enabled (not the default setting).

The vulnerabilities are confirmed in version 3.1.3. Prior versions
may also be affected.

SOLUTION:
Update to version 3.1.4.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://ktorrent.org/?q=node/23

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