[ GLSA 201711-04 ] MariaDB, MySQL

[GLSA]

Gentoo Linux Security Advisory

Title: MariaDB, MySQL: Root privilege escalation (GLSA 201711-04)
Severity: normal
Exploitable: remote
Date: 2017-11-10
Bug(s): #635704, #635706
ID: 201711-04

Synopsis

A vulnerability was discovered in MariaDB and MySQL which may allow
local users to gain root privileges.


Background

MySQL is a popular multi-threaded, multi-user SQL server. MariaDB is an
enhanced, drop-in replacement for MySQL.


Affected Packages

Package: dev-db/mariadb
Vulnerable: < 10.0.30-r1
Unaffected: >= 10.0.30-r1
Architectures: All supported architectures

Package: dev-db/mysql
Vulnerable: < 5.6.36-r1
Unaffected: >= 5.6.36-r1
Architectures: All supported architectures


Description

The Gentoo installation scripts before 2017-09-29 have chown calls for
user-writable directory trees, which allows local users to gain
privileges by leveraging access to the mysql account for creation of a
link.


Impact

A local attacker could escalate privileges to root.

Workaround

There is no known workaround at this time.

Resolution

All MariaDB users should upgrade to the latest version: