OSEC

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[eVuln] ACal Authentication Bypass & PHP Code Insertion

alexevuln.com
Date: Thu Jan 12 2006 - 15:56:16 CST


New eVuln Advisory:
ACal Authentication Bypass & PHP Code Insertion

--------------------Summary----------------

Software: ACal
Sowtware's Web Site: http://acalproj.sourceforge.net/
Versions: 2.2.5
Critical Level: Dangerous
Type: PHP Code Execution
Class: Remote
Status: Unpatched
Exploit: Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)
eVuln ID: EV0025

-----------------Description---------------
Vulnerabe script: login.php

To authorize any user forum scripts checks only one cookie variable: ACalAuthenticate
Forum dont make password comparison.

Registered users can modify header.php and footer.php files. System access is possible.

--------------Exploit----------------------
Cookie: ACalAuthenticate=inside

--------------Solution---------------------
No Patch available.

--------------Credit-----------------------
Original Advisory:
http://evuln.com/vulns/25/summary.html

Discovered by: Aliaksandr Hartsuyeu (eVuln.com)