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Message-Id: <20150325203652.6FAF56DC007@smtpvmsrv1.mitre.org>
Date: Wed, 25 Mar 2015 16:36:52 -0400 (EDT)
From: cve-assign@...re.org
To: krahmer@...e.de
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVS-Request: realmd code execution/auth bypass
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> Upstream has opened two bugs for issues in realmd
This initial response has a CVE ID only for the second one.
> could lead to remote attackers logging into the local system
> by placing an evil AD server in the LAN
> https://bugs.freedesktop.org/show_bug.cgi?id=89205
Is upstream planning to announce this as a vulnerability fix? Although
the old behavior was unsafe if there was any possibility of an
untrusted device on the LAN, it appears that the old behavior had been
intentional. For example, the old behavior may have been chosen as a
security/convenience tradeoff. This example might be applicable:
https://fedoraproject.org/wiki/QA:Testcase_realmd_join_automatic
> could lead to remote attackers logging into the local system by
> offering \r in LDAP responses that are treated by sssd and winbind as
> newline separator; therefore allowing to smuggle options into the
> config files used for startup
> https://bugs.freedesktop.org/show_bug.cgi?id=89207
> No data that was retrieved before join ... should be used when
> configuring sssd.conf and/or smb.conf.
Use CVE-2015-2704.
- --
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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