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Sid 1-40253

Message

SERVER-MYSQL Multiple SQL products privilege escalation attempt

Summary

Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB before 5.5.51, 10.0.x before 10.0.27, and 10.1.x before 10.1.17; and Percona Server before 5.5.51-38.1, 5.6.x before 5.6.32-78.0, and 5.7.x before 5.7.14-7 allow local users to create arbitrary configurations and bypass certain protection mechanisms by setting generallogfile to a my.cnf configuration. NOTE: this can be leveraged to execute arbitrary code with root privileges by setting malloc_lib. NOTE: the affected MySQL version information is from Oracle's October 2016 CPU. Oracle has not commented on third-party claims that the issue was silently patched in MySQL 5.5.52, 5.6.33, and 5.7.15.

Impact

CVSS base score 8.8 CVSS impact score 5.9 CVSS exploitability score 2.8 confidentialityImpact HIGH integrityImpact HIGH availabilityImpact HIGH

CVE-2016-6662:

CVSS base score 8.8

CVSS impact score 5.9

CVSS exploitability score 2.8

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2016-6662: Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB before 5.5.51, 10.0.x before 10.0.27, and 10.1.x before 10.1.17; and Percona Server before 5.5.51-38.1, 5.6.x before 5.6.32-78.0, and 5.7.x before 5.7.14-7 allow local users to create arbitrary configurations and bypass certain protection mechanisms by setting generallogfile to a my.cnf configuration. NOTE: this can be leveraged to execute arbitrary code with root privileges by setting malloc_lib. NOTE: the affected MySQL version information is from Oracle's October 2016 CPU. Oracle has not commented on third-party claims that the issue was silently patched in MySQL 5.5.52, 5.6.33, and 5.7.15.

Affected systems

  • mariadb mariadb 5.5.50
  • mariadb mariadb 10.0.0
  • mariadb mariadb 10.0.1
  • mariadb mariadb 10.0.2
  • mariadb mariadb 10.0.3
  • mariadb mariadb 10.0.4
  • mariadb mariadb 10.0.5
  • mariadb mariadb 10.0.6
  • mariadb mariadb 10.0.7
  • mariadb mariadb 10.0.8
  • mariadb mariadb 10.0.9
  • mariadb mariadb 10.0.10
  • mariadb mariadb 10.0.11
  • mariadb mariadb 10.0.12
  • mariadb mariadb 10.0.13
  • mariadb mariadb 10.0.14
  • mariadb mariadb 10.0.15
  • mariadb mariadb 10.0.16
  • mariadb mariadb 10.0.17
  • mariadb mariadb 10.0.18
  • mariadb mariadb 10.0.19
  • mariadb mariadb 10.0.20
  • mariadb mariadb 10.0.21
  • mariadb mariadb 10.0.22
  • mariadb mariadb 10.0.23
  • mariadb mariadb 10.0.24
  • mariadb mariadb 10.0.25
  • mariadb mariadb 10.0.26
  • mariadb mariadb 10.1.0
  • mariadb mariadb 10.1.1
  • mariadb mariadb 10.1.2
  • mariadb mariadb 10.1.3
  • mariadb mariadb 10.1.4
  • mariadb mariadb 10.1.5
  • mariadb mariadb 10.1.6
  • mariadb mariadb 10.1.7
  • mariadb mariadb 10.1.8
  • mariadb mariadb 10.1.9
  • mariadb mariadb 10.1.10
  • mariadb mariadb 10.1.11
  • mariadb mariadb 10.1.12
  • mariadb mariadb 10.1.13
  • mariadb mariadb 10.1.14
  • mariadb mariadb 10.1.15
  • mariadb mariadb 10.1.16
  • oracle mysql 5.5.52
  • oracle mysql 5.6.33
  • oracle mysql 5.7.15
  • percona percona_server 5.5.50-38.0
  • percona percona_server 5.6.31-77.0
  • percona percona_server 5.7.13-6

Ease of attack

CVE-2016-6662:

Access Vector

Access Complexity

Authentication

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References