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TITLE:
Flat Chat "Chat Name" PHP Code Execution

SECUNIA ADVISORY ID:
SA24433

VERIFY ADVISORY:
http://secunia.com/advisories/24433/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Flat Chat 2.x
http://secunia.com/product/13623/

DESCRIPTION:
Dj7xpl has discovered a vulnerability in Flat Chat, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "Chat Name" form field in startsession.php is not
properly sanitised before it is written to the online.txt file which
is included by the users.php script. This can be exploited to execute
arbitrary PHP code.

The vulnerability is confirmed in version 2.0. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Dj7xpl

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/3428

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About:
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vulnerabilities.

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Please Note:
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