Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2016-6664

Severity CVSS v4.0:
Pending analysis
Type:
CWE-59 Link Following
Publication date:
13/12/2016
Last modified:
12/04/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.00 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.00
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
6.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* 5.5.0 (including) 5.5.51 (including)
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* 5.6.0 (including) 5.6.32 (including)
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* 5.7.0 (including) 5.7.14 (including)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* 5.5.0 (including) 5.5.54 (excluding)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* 10.0.0 (including) 10.0.29 (excluding)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* 10.1.0 (including) 10.1.21 (excluding)
cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:* 5.5 (including) 5.5.51-38.2 (excluding)
cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:* 5.6 (including) 5.6.32-78.1 (excluding)
cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:* 5.7 (including) 5.7.14-8 (excluding)
cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:* 5.5 (including) 5.5.41-37.0 (excluding)
cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:* 5.6 (including) 5.6.32-25.17 (excluding)
cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:* 5.7 (including) 5.7.14-26.17 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools