IBM Db2 Password Expiration Vulnerability Allowing Account Access Regain After Lockout

A vulnerability exists in IBM Db2 versions 10.5.0 prior to 10.5.11, 11.1.0 prior to 11.1.4.7, 11.5.0 prior to 11.5.9, and 12.1.0 prior to 12.1.3 for Linux. This vulnerability could allow an authenticated user to regain access after an account lockout, which occurs when a password is used after its expiration date.

Impact

Exploitation of this vulnerability could lead to unauthorized access being granted to users after their accounts have been locked due to password expiration.

Remediation

Users can download special builds containing the interim fix for this vulnerability from IBM Fix Central. These builds are available for Db2 versions 10.5, 11.1, 11.5.9, and 12.1.2 or 12.1.3. Instructions for downloading these special builds are provided on the IBM Support page.