Tag Archives: Design Flaw

Decrypting suhosin sessions and cookies.

The suhosin module provides transparent cookie and session encryption out of the box to PHP applications. Once enabled any session values stored on disk are encrypted with rijndael and a slight variation on base64 encoding, the same applies to any … Continue reading

Posted in PHP | Tagged , , , | 5 Comments

Exploit: PHPCaptcha / Securimage is not secure.

Recently I discovered an easy way to bypass PHPCaptcha also known as SecurImage. The method described below will break the CAPTCHA every time, without fail and affects versions 1.0.4 and above. Previous versions are also probably vulnerable tho only exploit … Continue reading

Posted in Exploits, PHP | Tagged , , , , | 21 Comments