Security Features Affecting mysql-5.5 package, versions <5.5.49-0+deb8u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.56% (78th percentile)

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  • Snyk IDSNYK-DEBIAN8-MYSQL55-353592
  • published27 Jan 2016
  • disclosed27 Jan 2016

Introduced: 27 Jan 2016

CVE-2016-2047  (opens in a new tab)
CWE-254  (opens in a new tab)

How to fix?

Upgrade Debian:8 mysql-5.5 to version 5.5.49-0+deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mysql-5.5 package and not the mysql-5.5 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

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."

CVSS Scores

version 3.1