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

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CVE-2016-6663

Severity CVSS v4.0:
Pending analysis
Type:
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
13/12/2016
Last modified:
12/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/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:3.0/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:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.40 MEDIUM
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0
4.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* 5.5.0 (including) 5.5.52 (including)
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* 5.6.0 (including) 5.6.33 (including)
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* 5.7.0 (including) 5.7.15 (including)
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)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* 5.5.20 (including) 5.5.52 (excluding)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* 10.0.0 (including) 10.0.28 (excluding)
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* 10.1.0 (including) 10.1.18 (excluding)
cpe:2.3:a:oracle:mysql:8.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools