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CVE-2016-6663: mariadb

Modified
AliasesUBUNTU-CVE-2016-6663CGA-2p59-3f8g-r5hcCGA-45x8-7m3m-qvxm
Published 13-12-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-6663 is a high (CVSS 7.0) vulnerability in mariadb. EPSS estimates a 4.31% chance of exploitation in the next 30 days, higher than 91.1% of scored vulnerabilities. 2 public exploits are recorded.

Priority
Prioritisepublic exploit

Public exploit (exploit-database, 01-11-2016)

Source freshness unavailable

How is this decided?
CVSS score
7.0/10
010
High · v3.0 (NVD)
EPSS score
4.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 13 · Duplicates 1 · Related 6
DSA-3711-1MGASA-2016-0371RHSA-2016:2130RHSA-2016:2131RHSA-2016:2595RHSA-2016:2749

Timeline

  1. 13-12-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.31%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.31% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (legalhackers.com)

    Maturity: unknown

  • exploit-databaselocallinuxUnverified

    MySQL / MariaDB / PerconaDB 5.5.x/5.6.x/5.7.x - 'mysql' System User Privilege Escalation / Race Condition

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard6 products
  • mysql-8.0< 8.0.38-r0
  • mysql-8.0-client< 8.0.38-r0
  • mysql-8.0-dev< 8.0.38-r0
  • mysql-8.0-iamguarded-compat< 8.0.38-r0
  • mysql-8.0-oci-entrypoint< 8.0.38-r0
Ubuntu5 products
  • mariadb-10.0< 10.0.28-0ubuntu0.16.04.1
  • mariadb-5.5< 5.5.52-1ubuntu0.14.04.1
  • mysql-5.5< 5.5.52-0ubuntu0.14.04.1
  • percona-server-5.6All versions (No fix recorded)
  • percona-xtradb-cluster-5.6< 5.6.34-26.19-0ubuntu0.16.04.1
Percona2 products
  • percona_server≥ 5.5, < 5.5.51-38.2 | ≥ 5.6, < 5.6.32-78.1 | ≥ 5.7, < 5.7.14-8
  • xtradb_cluster≥ 5.5, < 5.5.41-37.0 | ≥ 5.6, < 5.6.32-25.17 | ≥ 5.7, < 5.7.14-26.17
Mariadb1 product
  • mariadb≥ 5.5.20, < 5.5.52 | ≥ 10.0.0, < 10.0.28 | ≥ 10.1.0, < 10.1.18
Oracle1 product
  • mysqlEOL≥ 5.5.0, ≤ 5.5.52 | ≥ 5.6.0, ≤ 5.6.33 | ≥ 5.7.0, ≤ 5.7.15 | 8.0

5 vendors · 15 products

References

27 links
Show all 27 references