Vulnerability in Mariadb
CVE-2015-3152
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.071 (94.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.071 · newest: 0.071 · change: 0.000
Affected products
- Mariadb
- Oracle MySQL
- Oracle MySQL Connector\/c
- PHP
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 21, 22
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Eus — versions 7.1, 7.2, 7.3
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.3, 7.4, 7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/131688/MySQL-SSL-TLS-Downgrade.html (VDB Entry, Third Party Advisory)
- mysqlblog.fivefarmers.com/2015/04/29/ssltls-in-5-6-and-5-5-ocert-advisory/ (Third Party Advisory)
- www.securityfocus.com/bid/74398 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/mysql/mysql-server/commit/3bd5589e1a5a93f9c224badf983cd65c45215390 (Patch, Third Party Advisory)
- access.redhat.com/security/cve/cve-2015-3152 (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2015-1646.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2015/dsa-3311 (vendor-advisory, Third Party Advisory)
- mysqlblog.fivefarmers.com/2014/04/02/redefining-ssl-option/ (Exploit, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2015-1647.html (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1032216 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2015-3152?
- CVE-2015-3152 is a medium-severity vulnerability in Mariadb, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2016-05-16.
- How severe is CVE-2015-3152?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2015-3152 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.