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Gentoo: mod_php buffer overflow vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Gentoo If you use the wordwrap() function on user-supplied input, a specially-crafted input can overflow the allocated buffer and overwrite the heap.

- --------------------------------------------------------------------
GENTOO LINUX SECURITY ANNOUNCEMENT 200301-8
- --------------------------------------------------------------------

PACKAGE : mod_php php
SUMMARY : buffer overflow
DATE    : 2003-01-13 15:01 UTC
EXPLOIT : remote

- --------------------------------------------------------------------

From advisory:

"If you use the wordwrap() function on user-supplied input, a
specially-crafted input can overflow the allocated buffer and
overwrite the heap.  Exploit looks very difficult, but still
theoretically possible."

Read the full advisory at 
http://marc.theaimsgroup.com/?l=bugtraq&m=104102689503192&w=2

SOLUTION

It is recommended that all Gentoo Linux users who are running
dev-php/php-4.2.3 and/or dev-php/mod_php-4.2.3  or earlier update
their systems as follows:

emerge rsync
emerge php

and/or

emerge mod_php

finish with:

emerge clean

- --------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at www.gentoo.org/~aliz
rphillips@gentoo.org
- --------------------------------------------------------------------


 
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