Authentication Bypass and PHP Insertion in ACal

Summary

Vulnerability
Authentication Bypass and PHP Insertion in ACal
Discovered
2006.01.11
Last Update
2006.03.06 Solution added
ID
EV0025
CVE
CVE-2006-0182 CVE-2006-0183
Risk Level
high
Type
PHP Code Execution
Status
Patched
Vendor
n/a
Vulnerable Software
ACal (http://acalproj.sourceforge.net/)
Version
2.2.5
PoC/Exploit
Available
Solution
Available
Discovered by
Aliaksandr Hartsuyeu (eVuln.com)

Description

PHP Code Execution found in ACal (http://acalproj.sourceforge.net/) script.

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.

PoC/Exploit

Cookie: ACalAuthenticate=inside

Solution.

To fix this problem install or upgrade to 2.2.6 version.