CVE-2016-6664

Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 13 Dec 2016, 21:00
Last modified:06 Aug 2024, 01:36

Vulnerability Summary

Overall Risk (default)
high
50/100
CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
62.12% CRITICAL
62% probability +15.00%
KEV
Not listed
Ransomware
No reports
Public exploits
3 found
Dark Web
Not detected

Timeline

13 Dec 2016, 21:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:36
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 62.12%• Percentile: 98%

Techniques & Countermeasures

  • CWE-59•Improper Link Resolution Before File Access ('Link Following')

    The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Systems

  • mariadb•mariadb

    ≥ 5.5.0, < 5.5.54 | ≥ 10.0.0, < 10.0.29 | ≥ 10.1.0, < 10.1.21

  • oracle•mysql

    ≥ 5.5.0, ≤ 5.5.51 | ≥ 5.6.0, ≤ 5.6.32 | ≥ 5.7.0, ≤ 5.7.14

  • percona•percona_server

    ≥ 5.5, < 5.5.51-38.2 | ≥ 5.6, < 5.6.32-78.1 | ≥ 5.7, < 5.7.14-8

  • percona•xtradb_cluster

    ≥ 5.5, < 5.5.41-37.0 | ≥ 5.6, < 5.6.32-25.17 | ≥ 5.7, < 5.7.14-26.17

References (15)