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Message-ID: <4EB95C76.4070701@redhat.com>
Date: Tue, 08 Nov 2011 09:44:38 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Sebastian Krahmer <krahmer@...e.de>
Subject: Re: potential OpenPAM vulnerability
On 11/08/2011 08:56 AM, Sebastian Krahmer wrote:
> Hi,
>
> OpenPAM, until recently, was not filtering the service argument of
> pam_start() invocations. This can lead to a root compromise.
> Note that Linux-PAM is entirely different as forbids anything with '/'
> inside.
>
> Please see
>
> http://c-skills.blogspot.com/2011/11/openpam-trickery.html
>
> for more discussion and PoC.
> This most likely affects FreeBSD and Solaris via the kcheckpass
> vector.
>
> regards,
> Sebastian
>
>
Please use CVE-2011-4122 for this issue.
--
-Kurt Seifried / Red Hat Security Response Team
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