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TITLE:
holaCMS "vote_filename" Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA14566

VERIFY ADVISORY:
http://secunia.com/advisories/14566/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
holaCMS 1.4.x
http://secunia.com/product/4775/

DESCRIPTION:
Virginity has reported a vulnerability in holaCMS, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "vote_filename" parameter in
"vote_save_results.php" isn't properly sanitised before being used to
create files. This can be exploited to overwrite arbitrary files via
directory traversal attacks.

The vulnerability was originally reported in version 1.4.9 and prior.
Version 1.4.9-1 is also affected as the included patch reportedly
doesn't fix the vulnerability correctly.

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

PROVIDED AND/OR DISCOVERED BY:
Virginity

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