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Date: Wed, 04 Mar 2015 10:55:17 -0700
From: Kurt Seifried <>
To: "" <>
Subject: Another Python app (rhn-setup: rhnreg_ks) not checking hostnames
 in certs properly CVE-2015-1777

Jan Bee of the Google Security Team reports:

The /usr/sbin/rhnreg_ks fails to properly validate hostnames in
certificates. This can result in man in the middle attacks.


Please note that this issue cannot easily be exploited to cause any
significant damage to a system other then preventing registration from
taking place properly which the attacker would be able to do in any
event if the can man in the middle the connection.

Kurt Seifried -- Red Hat -- Product Security -- Cloud
PGP A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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