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: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20040712073548.GA14125@DAPCVA.da>
From: varcher at denyall.com (Vincent Archer)
Subject: No shell => secure?

On Fri, Jul 09, 2004 at 02:29:28PM -0500, Ron DuFresne wrote:
> out that you will most likely end up with an unusable system.  On a number
> of vender OS', if the sh shell of csh shell, hooked to root user and
> startup scripts is not the expected defaults, those OS's fail to function
> properly on and tween reboots.

What's worse, system() (which is used quite a bit, even if you're running
zero shell scripts) usually execs /bin/sh -c "your_parameter" on most
library implementations. Nuke /bin/sh, don't forget to rewrite your
C library.

-- 
Vincent ARCHER
varcher@...yall.com

Tel : +33 (0)1 40 07 47 14
Fax : +33 (0)1 40 07 47 27
Deny All - 5, rue Scribe - 75009 Paris - France
www.denyall.com


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ