CVE-2015-3152

Public Exploit

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 32.48% Top 5%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory ocert.org Vendor Advisory mariadb.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html vdb entry third party advisory
http://mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/ third party advisory
http://www.securityfocus.com/bid/74398 vdb entry third party advisory
https://github.com/mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390 third party advisory patch
https://access.redhat.com/security/cve/cve-2015-3152 third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1646.html third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3311 third party advisory vendor advisory
http://mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/ third party advisory exploit
http://rhn.redhat.com/errata/RHSA-2015-1647.html third party advisory vendor advisory
http://www.securitytracker.com/id/1032216 vdb entry third party advisory
https://www.duosecurity.com/blog/backronym-mysql-vulnerability third party advisory
https://jira.mariadb.org/browse/MDEV-7937 issue tracking vendor advisory
http://www.ocert.org/advisories/ocert-2015-003.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161625.html mailing list third party advisory vendor advisory
http://www.securityfocus.com/archive/1/535397/100/1100/threaded mailing list vdb entry third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161436.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1665.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-3152?
CVE-2015-3152 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3152?
To fix CVE-2015-3152, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3152 being actively exploited in the wild?
It is possible that CVE-2015-3152 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~32% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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