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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