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TITLE:
BTI-Tracker "include/prune_torrents.php" File Deletion Vulnerability

SECUNIA ADVISORY ID:
SA22322

VERIFY ADVISORY:
http://secunia.com/advisories/22322/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
BTI-Tracker 1.x
http://secunia.com/product/12244/

DESCRIPTION:
Gu1ll4um3r0m41n has discovered a vulnerability in BTI-Tracker, which
can be exploited by malicious people to delete arbitrary files.

The include/prune_torrents.php script allows to perform certain
actions via HTTP requests without checking for valid permissions.
Additionally, input passed to the "TORRENTDIR" and "hash" parameter
is not properly verified before being used to delete files. This can
be exploited to delete arbitrary files.

The vulnerability has been confirmed in version 1.3.2. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified and
permissions are correctly checked.

PROVIDED AND/OR DISCOVERED BY:
Gu1ll4um3r0m41n

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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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