CVE-2016-6664

NameCVE-2016-6664
Descriptionmysqld_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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3770-1
Debian Bugs841049, 842895, 849435, 851755, 851759

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mariadb-10.0sourcejessie10.0.29-0+deb8u1DSA-3770-1
mariadb-10.0source(unstable)(unfixed)842895, 851755
mariadb-10.1source(unstable)10.1.21-1849435, 851759
mysql-5.5sourcewheezy5.5.52-0+deb7u1
mysql-5.5sourcejessie5.5.52-0+deb8u1
mysql-5.5source(unstable)(unfixed)
mysql-5.6source(unstable)5.6.34-1841049
mysql-5.7source(unstable)5.7.15-1

Notes

http://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664-5617-Exploit.html
Possible fixed by: https://github.com/MariaDB/server/commit/684a165f28b3718160a3e4c5ebd18a465d85e97c
https://mariadb.com/blog/update-security-vulnerabilities-cve-2016-6663-and-cve-2016-6664-related-mariadb-server
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