oss-security - CVE request: perf: may parse user-controlled config file

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Message-ID: <20110807173438.GA14534@dannf.org>
Date: Sun, 7 Aug 2011 11:34:38 -0600
From: dann frazier <dannf@...ian.org>
To: oss-security@...ts.openwall.com
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christian Ohm <chr.ohm@....net>, Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	632923@...s.debian.org
Subject: CVE request: perf: may parse user-controlled config file

This was reported by Christian Ohm at:
  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632923

The perf command, provided as part of the Linux kernel source, looks
for and honors configuration settings in ./config. A local user could
obtain elevated privileges by convincing a superuser to run the perf
command from a directory the user controls.

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