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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
torrentflux-b4rt Arbitrary Command Execution And Directory Traversal

SECUNIA ADVISORY ID:
SA22933

VERIFY ADVISORY:
http://secunia.com/advisories/22933/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data, System access

WHERE:
>From remote

SOFTWARE:
torrentflux-b4rt 2.x
http://secunia.com/product/12636/

DESCRIPTION:
r0ut3r has discovered some vulnerabilities in torrentflux-b4rt, which
can be exploited by malicious people to gain system access or to
manipulate data.

1) Input passed to the "url_wget" parameter in index.php is not
properly sanitised before being used as a command line argument to
the "wget.php" program. This can be exploited to inject arbitrary
shell commands via the ";" character.

Successful exploitation requires valid user credentials.

2) The product is also affected by all vulnerabilities in SA22880.

The vulnerabilities are confirmed in version 2.1-b4rt-96. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

Grant only trusted users access to the application.

PROVIDED AND/OR DISCOVERED BY:
r0ut3r

OTHER REFERENCES:
SA22880:
http://secunia.com/advisories/22880/

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About:
This Advisory was delivered by Secunia as a free service to help
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vulnerabilities.

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Secunia NEVER sends attached files with advisories.
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