CVE-2015-3152
MEDIUM 5.9EPSS 7.1%
Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the --ssl option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, aka a "BACKRONYM" attack.
- CVSS v3.1 NVD
- 5.9 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS v2.0 NVD
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N - EPSS
- 7.14% chance of exploitation in the next 30 days, 94th percentile
- Published
- 2016-05-16
- Updated
- 2024-08-06
Proof-of-concept exploits (1)
- duo-labs/mysslstrip43★ · 2015-05-11
Security advisories
- http://www.ocert.org/advisories/ocert-2015-003.html
- https://jira.mariadb.org/browse/MDEV-7937
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.html
- http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option
- http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory
- http://packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html
- http://rhn.redhat.com/errata/RHSA-2015-1646.html
- http://rhn.redhat.com/errata/RHSA-2015-1647.html
- http://rhn.redhat.com/errata/RHSA-2015-1665.html
- http://www.debian.org/security/2015/dsa-3311
- http://www.securityfocus.com/archive/1/535397/100/1100/threaded
- http://www.securityfocus.com/bid/74398
- http://www.securitytracker.com/id/1032216
- https://access.redhat.com/security/cve/cve-2015-3152
- mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390
- https://www.duosecurity.com/blog/backronym-mysql-vulnerability