CVE-2016-2047
Medium
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."
SeverityMedium
CVSS5.9
Exploit probability—
Product
Mariadb
PublishedJan 27, 2016
First seenJan 27, 2016
How to fix
Update
- mariadb mariadb5.5.47, 10.0.23, 10.1.10 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mariadb mariadb | 5.5.20 ≤ v < 5.5.47, 10.0.0 ≤ v < 10.0.23, 10.1.0 ≤ v < 10.1.10 | 5.5.47, 10.0.23, 10.1.10 |
| oracle linux | 7 | — |
| oracle mysql | 5.5.0 ≤ v ≤ 5.5.48, 5.6.0 ≤ v ≤ 5.6.29, 5.7.0 ≤ v ≤ 5.7.11 | — |
| opensuse leap | 42.1 | — |
| redhat enterprise_linux | 6.0, 7.0 | — |
| debian debian_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 12.04, 14.04, 15.10, 16.04 | — |
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