Related information

Web applications security vulnerabilities (PHP, ASP, JSP, CGI, Perl)

[SA18450] Light Weight Calendar "date" PHP Code Execution Vulnerability

Interspire TrackPoint NX XSS Vulnerability

[eVuln] TankLogger SQL Injection Vulnerability

[eVuln] Wordcircle Authentication Bypass

From:	Aliaksandr Hartsuyeu <alex_(at)_evuln.com>
Date:	13.01.2006
Subject:	[eVuln] ACal Authentication Bypass & PHP Code Insertion

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)