CVE-2016-6663

Published: Dec 13, 2016Modified: May 6, 2026

7.0

Vector

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

Exploitability: 1.0 / Impact: 5.9

Source: NVD

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.

Affected (13)

Products: Oracle: Mysql · Percona: Percona Server, Xtradb Cluster · Mariadb: Mariadb

1 product

2 products

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Oracle Mysql	5.5.0 ≤ version ≤ 5.5.52
Oracle Mysql	5.6.0 ≤ version ≤ 5.6.33
Oracle Mysql	5.7.0 ≤ version ≤ 5.7.15

Configuration B

6 vulnerable

Vulnerable Software	Affected Versions
Percona Percona Server	5.5 ≤ version < 5.5.51-38.2
Percona Percona Server	5.6 ≤ version < 5.6.32-78.1
Percona Percona Server	5.7 ≤ version < 5.7.14-8
Percona Xtradb Cluster	5.5 ≤ version < 5.5.41-37.0
Percona Xtradb Cluster	5.6 ≤ version < 5.6.32-25.17
Percona Xtradb Cluster	5.7 ≤ version < 5.7.14-26.17

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Mariadb Mariadb	10.0.0 ≤ version < 10.0.28
Mariadb Mariadb	10.1.0 ≤ version < 10.1.18
Mariadb Mariadb	5.5.20 ≤ version < 5.5.52

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Oracle Mysql	Version 8.0

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (48)

http://rhn.redhat.com/errata/RHSA-2016-2130.html

Source: cve@mitre.org

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-2131.html

Source: cve@mitre.org

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-2595.html

Source: cve@mitre.org

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-2749.html

Source: cve@mitre.org

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-2927.html

Source: cve@mitre.org

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-2928.html

Source: cve@mitre.org

Third Party Advisory

http://rhn.redhat.com/errata/RHSA-2017-0184.html

Source: cve@mitre.org

Third Party Advisory

http://seclists.org/fulldisclosure/2016/Nov/4

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2016/10/25/4

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html

Source: cve@mitre.org

PatchVendor Advisory

http://www.securityfocus.com/bid/92911

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.securityfocus.com/bid/93614

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-52.html

Source: cve@mitre.org

Issue TrackingVendor Advisory

https://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-33.html

Source: cve@mitre.org

Issue TrackingVendor Advisory

https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-15.html

Source: cve@mitre.org

Issue TrackingVendor Advisory

https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-1.html

Source: cve@mitre.org

Issue TrackingVendor Advisory

https://github.com/MariaDB/server/commit/347eeefbfc658c8531878218487d729f4e020805

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://github.com/mysql/mysql-server/commit/4e5473862e6852b0f3802b0cd0c6fa10b5253291

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://legalhackers.com/advisories/MySQL-Maria-Percona-PrivEscRace-CVE-2016-6663-5616-Exploit.html

Source: cve@mitre.org

ExploitThird Party Advisory

https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/

Source: cve@mitre.org

Release NotesVendor Advisory

https://mariadb.com/kb/en/mariadb/mariadb-10118-release-notes/

Source: cve@mitre.org

Release NotesVendor Advisory

https://mariadb.com/kb/en/mariadb/mariadb-5552-release-notes/

Source: cve@mitre.org

Release NotesVendor Advisory

https://www.exploit-db.com/exploits/40678/

Source: cve@mitre.org

ExploitThird Party AdvisoryVDB Entry

https://www.percona.com/blog/2016/11/02/percona-responds-to-cve-2016-6663-and-cve-2016-6664/

Source: cve@mitre.org

Vendor Advisory

http://rhn.redhat.com/errata/RHSA-2016-2130.html