CVE-2016-6664 Information

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 Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664-5617-Exploit.html http://packetstormsecurity.com/files/139491/MySQL-MariaDB-PerconaDB-Root-Privilege-Escalation.html http://rhn.redhat.com/errata/RHSA-2016-2130.html http://rhn.redhat.com/errata/RHSA-2016-2749.html http://seclists.org/fulldisclosure/2016/Nov/4 http://www.debian.org/security/2017/dsa-3770 http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html http://www.securityfocus.com/archive/1/539695/100/0/threaded http://www.securityfocus.com/bid/93612 https://access.redhat.com/errata/RHSA-2017:2192 https://access.redhat.com/errata/RHSA-2018:0279 https://access.redhat.com/errata/RHSA-2018:0574 https://security.gentoo.org/glsa/201702-18 https://www.exploit-db.com/exploits/40679/ https://www.percona.com/blog/2016/11/02/percona-responds-to-cve-2016-6663-and-cve-2016-6664/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0