Users login

Create an account »


Users login

Home » Hacking News » Linux privileged process hijack

Linux privileged process hijack

by Mario Miri on April 8th, 2003 Due to a bug in linux kernel 2.2.x prior to 2.2.25 and 2.4.x it is possible to the unprivileged user to gain control of privileged process. This occurs because of a bug in ptrace() system call. A malicious user can gain superuser privileges.

Linux kernel 2.2.x prior to 2.2.25
Linux kernel 2.4.x

Kernel upgrade. Fixes are also available from official linux distributors.

Exploit / Proof of concept:

Discovered by:
Andrzej Szombierski

Newsletter signup

Signup to our monthly newsletter and stay in touch with IT news!

Free E-books

We've got ebooks! But they're not online. :( Please give us a few days to bring downloads back.


Have something to say or just wanna drop us a line? Please keep this in mind: to spam, we reply with spam.

Contact us »