bugtraq - Re: /proc filesystem allows bypassing directory permissions on Linux

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20091027205930.GA3833@mrph.org>
Date: Tue, 27 Oct 2009 16:59:30 -0400
From: Ivan Jager <aij+@...h.org>
To: Dan Yefimov <dan@...htwave.net.ru>
Cc: bugtraq@...urityfocus.com
Subject: Re: /proc filesystem allows bypassing directory	permissions	on	Linux

On Sat, Oct 24, 2009 at 10:36:11PM +0400, Dan Yefimov scribbled thusly:
> Thus Debian kernel team should be blamed for that misbehaviour. Don't 
> worry, hardlinks behave just the same way, as you describe. Use authentic 
> Linux kernels, if you dislike that.

Shall we blame Red Hat too? Just tested on 2.6.18-164.2.1.el5,
although with a single user since I don't actually run RHEL on
any of my own computers.

Ivan