Vulnerability Description
mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona XtraDB Cluster before 5.5.41-37.0, 5.6.x before 5.6.32-25.17, and 5.7.x before 5.7.14-26.17, when using file-based logging, allows local users with access to the mysql account to gain root privileges via a symlink attack on error logs and possibly other files.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Mysql | >= 5.5.0, <= 5.5.51 |
| Mariadb | Mariadb | >= 5.5.0, < 5.5.54 |
| Percona | Percona Server | >= 5.5, < 5.5.51-38.2 |
| Percona | Xtradb Cluster | >= 5.5, < 5.5.41-37.0 |
Related Weaknesses (CWE)
References
- http://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664ExploitThird Party Advisory
- http://packetstormsecurity.com/files/139491/MySQL-MariaDB-PerconaDB-Root-PrivileExploitThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-2130.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2749.htmlThird Party Advisory
- http://seclists.org/fulldisclosure/2016/Nov/4Mailing ListThird Party Advisory
- http://www.debian.org/security/2017/dsa-3770Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlPatchVendor Advisory
- http://www.securityfocus.com/archive/1/539695/100/0/threadedThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/93612Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2192Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0279Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0574Third Party Advisory
- https://security.gentoo.org/glsa/201702-18Third Party Advisory
- https://www.exploit-db.com/exploits/40679/ExploitThird Party AdvisoryVDB Entry
- https://www.percona.com/blog/2016/11/02/percona-responds-to-cve-2016-6663-and-cvVendor Advisory
FAQ
What is CVE-2016-6664?
CVE-2016-6664 is a vulnerability with a CVSS score of 7.0 (HIGH). mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through 5.7.14; MariaDB; Percona Server before 5.5.51-38.2, 5.6.x before 5.6.32-78-1, and 5.7.x before 5.7.14-8; and Percona...
How severe is CVE-2016-6664?
CVE-2016-6664 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6664?
Check the references section above for vendor advisories and patch information. Affected products include: Oracle Mysql, Mariadb Mariadb, Percona Percona Server, Percona Xtradb Cluster.