IBM Db2 Mirror for i 7.4, 7.5, and 7.6 does not disallow the session id after use which could allow an authenticated user to impersonate another user on the system.
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Db2_mirror_for_i | Ibm | 7.4 (including) | 7.4 (including) |
| Db2_mirror_for_i | Ibm | 7.5 (including) | 7.5 (including) |
| Db2_mirror_for_i | Ibm | 7.6 (including) | 7.6 (including) |
Such a scenario is commonly observed when: