CVE-2012-2122

MEDIUM severity · CVSS 5.1 · Improper authentication

5.1CVSS MEDIUM

Summary

sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before 5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x before 5.1.62, 5.2.x before 5.2.12, 5.3.x before 5.3.6, and 5.5.x before 5.5.23, when running in certain environments with certain implementations of the memcmp function, allows remote attackers to bypass authentication by repeatedly authenticating with the same incorrect password, which eventually causes a token comparison to succeed due to an improperly-checked return value.

Impact & exploitability

Attack vectorNetwork

Attack complexityHigh

Privileges required—

User interaction—

Confidentiality impact—

Integrity impact—

Availability impact—

Exploit probability (EPSS)94%

AV:N/AC:H/Au:N/C:P/I:P/A:P

Affected products we track (2)

MySQL MariaDB

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://seclists.org/oss-sec/2012/q2/493 ↗

CVE-2012-2122

Summary

Impact & exploitability

Affected products we track (2)

Recommendation

Additional information