FreeBSD bug grants local root access (FreeBSD 6.x)

Jacques Marneweck jmarneweck at
Fri Oct 2 05:28:58 UTC 2009

Hi Simon,

Is there any further feedback regarding this bug?  Has anyone tested
to see if this also affects FreeBSD 5.x?


On Mon, Sep 28, 2009 at 9:22 PM, Simon L. Nielsen <simon at> wrote:
> On 2009.09.25 08:52:25 -0400, Mike Tancsa wrote:
>> At 05:08 AM 9/15/2009, Xin LI wrote:
>> >Frederique Rijsdijk wrote:
>> > > Hi,
>> > >
>> > > Any info on this subject on
>> > >
>> > >
>> >
>> >Currently we (secteam@) are testing the correction patch and do
>> >peer-review on the security advisory draft, the bug was found and fixed
>> >on -HEAD and 7-STABLE before 7.1-RELEASE during some stress test but was
>> >not recognized as a security vulnerability at that time.  The exploit
>> >code has to be executed locally, i.e. either by an untrusted local user,
>> >or be exploited in conjunction with some remote vulnerability on
>> >applications that allow the attacker to inject their own code.
>> >
>> >We can not release further details about the problem at this time,
>> >though, but I think we will likely to publish the advisory and
>> >correction patch this patch Wednesday.
>>          Just wondering if there is any update on this issue ?
> It turned out more difficult to fix than expected and we (secteam)
> didn't handle that as well as we should have, but I think we are
> almost there so the advisory should be out soon - sometime this week
> at the latest.
> Sorry about the delay - this should have been fixed by now.
> --
> Simon L. Nielsen
> FreeBSD Deputy Security Officer

Jacques Marneweck

#include <std/disclaimer.h>

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