Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Mon, 16 Nov 2009 22:51:16 +0100
From: Tomas Hoger <>
Subject: Re: CVE request: oping allows the disclosure of 
 arbitrary file contents

On Thu, 15 Oct 2009 15:15:57 +0200 Julien Tinnes <> wrote:

> in case anyone cares, oping also attempts to drop privileges with
> setuid(getuid()); without checking setuid()'s return value.
> It's an obvious vulnerability, because a local attacker can make
> setuid() fail by setting a resource limit of 0 for RLIMIT_NPROC with
> setrlimit().

Does the RLIMIT_NPROC trick work against oping, or any setuid app that
calls setuid(getuid())?

Tomas Hoger / Red Hat Security Response Team

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.