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Simple one-file guestbook Authentication Bypass
Secunia Advisory: SA21429
Release Date: 2006-08-09
Last Update: 2006-08-18
Popularity: 5,793 views

Critical:
Moderately critical
Impact: Security Bypass
Manipulation of data
Where: From remote
Solution Status: Unpatched

Software:Simple one-file guestbook 1.x

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CVE reference:CVE-2006-4122


Description:
Omnipresent has discovered a vulnerability in Simple one-file guestbook, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to improper authentication in guestbook.php. This can be exploited by an attacker to delete all guestbook entries.

The vulnerability has been confirmed in versions 1.0 and 1.1. Other versions may also be affected.

Solution:
Use another product.

Provided and/or discovered by:
Omnipresent

Changelog:
2006-08-11: Updated "Description" section.
2006-08-18: Added CVE reference.

Original Advisory:
http://it.security.netsons.org/exploit/simplegb.txt


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