Vulnerability Report

CVE-2016-6664

Title: Percona Xtradb Cluster

Other

Proof Of Concept

PoC Available for CVE-2016-6664

CWE Category CWE-59
Published Date Dec 13, 2016
Modified Date May 06, 2026
Exploit Status Available
Score 7.0 CVSS v3.1
Exploit Probability (EPSS)
62.12%

Vulnerability Summary

CVE-2016-6664: 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.

Impacted Vendors

M
mariadb 1
P
percona 2
M
mysqljs 1
O
oracle 1
M
mysql 1

Reference Links

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/ 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/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-6664 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/40679
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.