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  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]
Date: Tue, 14 Aug 2007 22:18:38 +0200 (CEST)
From: Wojciech Purczynski <cliph@...c.pl>
To: Dan Yefimov <dan@...5.lightwave.net.ru>
Cc: bugtraq@...urityfocus.com
Subject: Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death
 Signal Vulnerability


> I'm not sure this is a real security issue. If some process has the same
> effective UID as the given one, the former can always send any signal to
> the latter. Thus the behaviour you described is IMHO normal.

It becomes a security issue whenever suid process drops user's UIDs.

Powered by blists - more mailing lists