CVE-2015-3152

5.9 MEDIUM

Published: May 16, 2016 Modified: May 06, 2026

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html

Source: secalert@redhat.com

Mailing List Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.html

Source: secalert@redhat.com

Mailing List Third Party Advisory

http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/

Source: secalert@redhat.com

Exploit Third Party Advisory

http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/

Source: secalert@redhat.com

Third Party Advisory

http://packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html

Source: secalert@redhat.com

Third Party Advisory VDB Entry

http://rhn.redhat.com/errata/RHSA-2015-1646.html

Source: secalert@redhat.com

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2015-1647.html

Source: secalert@redhat.com

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2015-1665.html

Source: secalert@redhat.com

Third Party Advisory

http://www.debian.org/security/2015/dsa-3311

Source: secalert@redhat.com

Third Party Advisory

http://www.ocert.org/advisories/ocert-2015-003.html

Source: secalert@redhat.com

Vendor Advisory

http://www.securityfocus.com/archive/1/535397/100/1100/threaded

Source: secalert@redhat.com

Third Party Advisory VDB Entry

http://www.securityfocus.com/bid/74398

Source: secalert@redhat.com

Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1032216

Source: secalert@redhat.com

Third Party Advisory VDB Entry

https://access.redhat.com/security/cve/cve-2015-3152

Source: secalert@redhat.com

Third Party Advisory

https://github.com/mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390

Source: secalert@redhat.com

Patch Third Party Advisory

https://jira.mariadb.org/browse/MDEV-7937

Source: secalert@redhat.com

Issue Tracking Vendor Advisory

https://www.duosecurity.com/blog/backronym-mysql-vulnerability

Source: secalert@redhat.com

Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html