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Date: Tue, 8 Nov 2011 16:56:47 +0100
From: Sebastian Krahmer <>
Subject: potential OpenPAM vulnerability


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 '/'

Please see

for more discussion and PoC.
This most likely affects FreeBSD and Solaris via the kcheckpass



~ perl
~ $_='print"\$_=\47$_\47;eval"';eval
~ - SuSE Security Team

SUSE LINUX Products GmbH,
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
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