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TITLE:
TYPOlight webCMS "preview.php" Arbitrary File Download

SECUNIA ADVISORY ID:
SA27142

VERIFY ADVISORY:
http://secunia.com/advisories/27142/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
TYPOlight webCMS 2.x
http://secunia.com/product/13708/

DESCRIPTION:
Stephan Munz has reported a vulnerability in TYPOlight webCMS, which
can be exploited by malicious people to disclose sensitive
information.

The vulnerability is caused due to an input validation error in
preview.php when processing arguments passed to the "src" parameter.
This can be exploited to download arbitrary files from the affected
system.

The vulnerability is reported in version 2.4.6. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Stephan Munz

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