Saw this on the Exim List:-
From: Tony Finch <dot--at--@xxxxxxxx>
Subject: [exim] CVE-2015-0235 - glibc gethostbyname remotely exploitable
via exim
Date: Tue, 27 Jan 2015 17:33:45 +0000
"The Exim mail server is exploitable remotely if configured to perform
extra security checks on the HELO and EHLO commands ("helo_verify_hosts"
or "helo_try_verify_hosts" option, or "verify = helo" ACL); we developed
a reliable and fully-functional exploit that bypasses all existing
protections (ASLR, PIE, NX) on 32-bit and 64-bit machines.
http://www.openwall.com/lists/oss-security/2015/01/27/9
---------------------------------
"- We identified a number of factors that mitigate the impact of this
bug. In particular, we discovered that it was fixed on May 21, 2013
(between the releases of glibc-2.17 and glibc-2.18). Unfortunately, it
was not recognized as a security threat; as a result, most stable and
long-term-support distributions were left exposed (and still are):
Debian 7 (wheezy), Red Hat Enterprise Linux 6 & 7, CentOS 6 & 7,
Ubuntu 12.04, for example."
-------------------------------------
I use Exim on C5 and C6 - should I be worried about Exim on C6 ?
--
Regards,
Paul.
England, EU. Je suis Charlie.
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