CVE-2016-6664 - Improper Link Resolution Before File Access ('Link Following')

Severity

69%

Complexity

34%

Confidentiality

165%

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.

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 3.0 Base Score 7. CVSS Attack Vector: local. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6.9. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C).

Overview

First reported 8 years ago

2016-12-13 21:59:00

Last updated 5 years ago

2019-03-05 18:23:00

Affected Software

Oracle MySQL -

References

http://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664-5617-Exploit.html

Exploit, Third Party Advisory

http://packetstormsecurity.com/files/139491/MySQL-MariaDB-PerconaDB-Root-Privilege-Escalation.html

Exploit, Third Party Advisory, VDB Entry

RHSA-2016:2130

Third Party Advisory

RHSA-2016:2749

Third Party Advisory

20161101 MySQL / MariaDB / PerconaDB - Privilege Escalation / Race Condition Exploit [CVE-2016-6663 / OCVE-2016-5616]

Mailing List, Third Party Advisory

DSA-3770

Third Party Advisory

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

Patch, Vendor Advisory

20161104 MySQL / MariaDB / PerconaDB - Root Privilege Escalation Exploit ( CVE-2016-6664 / CVE-2016-5617 )

Third Party Advisory, VDB Entry

93612

Third Party Advisory, VDB Entry

RHSA-2017:2192

Third Party Advisory

RHSA-2018:0279

Third Party Advisory

RHSA-2018:0574

Third Party Advisory

GLSA-201702-18

Third Party Advisory

40679

Exploit, Third Party Advisory, VDB Entry

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

Vendor Advisory

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