Date: Tue, 10 May 2011 17:00:14 -0400 From: William Cohen <wcohen@...hat.com> To: Huzaifa Sidhpurwala <huzaifas@...hat.com> CC: oss-security@...ts.openwall.com, Jan Lieskovsky <jlieskov@...hat.com>, "Steven M. Christey" <coley@...us.mitre.org>, Stephane Chauveau <stephane.chauveau@...s-entreprise.com>, Maynard Johnson <maynardj@...ibm.com>, Robert Richter <robert.richter@....com> Subject: Re: Re: CVE Request -- oprofile -- Local privilege escalation via crafted opcontrol event parameter when authorized by sudo On 05/03/2011 05:36 AM, Huzaifa Sidhpurwala wrote: > Hi William, > On 05/01/2011 07:30 AM, William Cohen wrote: >> >> I don't know if this is the best way to fix this issue, but attached is a patch that filters out all but alpha numeric characters and '_'. Feedback on the patch would be appreciated. >> > > It appears from the debian bug, that there may be others way to exploit > this issue as well. hence i think we need a revised patch? > > Hi Huzaifa, I have generated some patches to address the CVE. However, I have not yet address the http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624212#19 related to the "echo do_jitconv > $SESSION_DIR/opd_pipe" I will send the the patches from my local git branch in a moment. Any feedback would be appreciated. -Will
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