Date: Thu, 15 Oct 2009 16:44:49 +0200 From: Julien Tinnes <julien.tinnes@...il.com> 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 Thu, Oct 15, 2009 at 4:34 PM, Josh Bressers <bressers@...hat.com> wrote: > ----- "Julien Tinnes" <jt@....org> 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 that have any security implications though? I've not looked at the app. > If it's a security problem, I'll give it a CVE id. I didn't really look either. Because of this, everything will run as root while it shouldn't, but an attacker might need a second bug to elevate privileges. I would still consider it a security problem. Julien
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