CVE Vulnerabilities

CVE-2016-2047

Published: Jan 27, 2016 | Modified: Dec 27, 2019
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

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 subjects 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.

Affected Software

Name Vendor Start Version End Version
Mariadb Mariadb 10.0.0 *
Mariadb Mariadb 10.1.0 *
Mariadb Mariadb 5.5.20 *

References