CVE-2016-2047

Name	CVE-2016-2047
Description	The ssl_verify_server_cert function in sql-common/client.c in MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10; Oracle MySQL 5.5.48 and earlier, 5.6.29 and earlier, and 5.7.11 and earlier; and Percona Server do not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a "/CN=" string in a field in a certificate, as demonstrated by "/OU=/CN=bar.com/CN=foo.com."
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-447-1, DSA-3453-1, DSA-3557-1
NVD severity	medium (attack range: remote)
Debian Bugs	821094, 821100

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mariadb-10.0 (PTS)	jessie	10.0.32-0+deb8u1	fixed
	jessie (security)	10.0.36-0+deb8u1	fixed
mysql-5.5 (PTS)	jessie (security), jessie	5.5.60-0+deb8u1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mariadb-10.0	source	(unstable)	10.0.23-1	medium
mariadb-10.0	source	jessie	10.0.23-0+deb8u1	medium	DSA-3453-1
mysql-5.5	source	(unstable)	(unfixed)	medium		821100
mysql-5.5	source	jessie	5.5.49-0+deb8u1	medium	DSA-3557-1
mysql-5.5	source	wheezy	5.5.49-0+deb7u1	medium	DLA-447-1
mysql-5.6	source	(unstable)	5.6.30-1	medium		821094

Notes

https://mariadb.atlassian.net/browse/MDEV-9212
https://github.com/MariaDB/server/commit/f0d774d48416bb06063184380b684380ca005a41
[squeeze] - mysql-5.5 <no-dsa> (will be fixed along with an upcoming Oracle CPU)
http://www.oracle.com/technetwork/topics/security/cpuapr2016-2881694.html