High severity · published Dec 13, 2016
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…
7.0
CVSS
3%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MY
MySQL · Oracle
5.5.0 through 5.5.51; 5.6.0 through 5.6.32; 5.7.0 through 5.7.14 · source: NVD
MA
Mariadb · Mariadb
5.5.0 before 5.5.54; 10.0.0 before 10.0.29; 10.1.0 before 10.1.21 · source: NVD
PS
Percona Server · Percona
5.5 before 5.5.51-38.2; 5.6 before 5.6.32-78.1; 5.7 before 5.7.14-8 · source: NVD
XC
Xtradb Cluster · Percona
5.5 before 5.5.41-37.0; 5.6 before 5.6.32-25.17; 5.7 before 5.7.14-26.17 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6664
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6664
Exploit
http://legalhackers.com/advisories/MySQL-Maria-Percona-RootPrivEsc-CVE-2016-6664-5617-Exploit.html
Exploit
http://packetstormsecurity.com/files/139491/MySQL-MariaDB-PerconaDB-Root-Privilege-Escalation.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2130.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2749.html
Mailing List
http://seclists.org/fulldisclosure/2016/Nov/4
Third Party Advisory
http://www.debian.org/security/2017/dsa-3770
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