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Message-ID: <deb7a2310910150615u7c70fcd5k13b611af19d062da@mail.gmail.com>
Date: Thu, 15 Oct 2009 15:15:57 +0200
From: Julien Tinnes <jt@....org>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: oping allows the disclosure of
arbitrary file contents
On Mon, Sep 28, 2009 at 2:45 PM, Steve Kemp <steve@...ve.org.uk> wrote:
> oping is setuid root application and one of the command line arguments allows
> a configuration file to be specified. This file is read and *reported*
> to the console - Unless the file is lucky enough to look like a list
> of hostnames.
>
> Brief details here:
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=548684
Hi,
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().
Julien
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