CVE-2016-6663 Information

Description

Race condition in Oracle MySQL before 5.5.52 5.6.x before 5.6.33 5.7.x before 5.7.15 and 8.x before 8.0.1; MariaDB before 5.5.52 10.0.x before 10.0.28 and 10.1.x before 10.1.18; 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 allows local users with certain permissions to gain privileges by leveraging use of my_copystat by REPAIR TABLE to repair a MyISAM table.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2016-2130.html http://rhn.redhat.com/errata/RHSA-2016-2131.html http://rhn.redhat.com/errata/RHSA-2016-2595.html http://rhn.redhat.com/errata/RHSA-2016-2749.html http://rhn.redhat.com/errata/RHSA-2016-2927.html http://rhn.redhat.com/errata/RHSA-2016-2928.html http://rhn.redhat.com/errata/RHSA-2017-0184.html http://seclists.org/fulldisclosure/2016/Nov/4 http://www.openwall.com/lists/oss-security/2016/10/25/4 http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html http://www.securityfocus.com/bid/92911 http://www.securityfocus.com/bid/93614 https://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-52.html https://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-33.html https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-15.html https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-1.html https://github.com/MariaDB/server/commit/347eeefbfc658c8531878218487d729f4e020805 https://github.com/mysql/mysql-server/commit/4e5473862e6852b0f3802b0cd0c6fa10b5253291 https://legalhackers.com/advisories/MySQL-Maria-Percona-PrivEscRace-CVE-2016-6663-5616-Exploit.html https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/ https://mariadb.com/kb/en/mariadb/mariadb-10118-release-notes/ https://mariadb.com/kb/en/mariadb/mariadb-5552-release-notes/ https://www.exploit-db.com/exploits/40678/ 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