IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.
Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V11.5.9, V12.1.4 and V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.
ReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189
V12.1
TBD
https://www.ibm.com/support/pages/node/7267513
Security Update #88454 or later for V12.1.5 available at this link:
https://www.ibm.com/support/pages/node/7282633
Note: This remediation comes with multiple changes to Db2 functionality that are outlined here:
- TRANSFER OWNERSHIP statement https://www.ibm.com/docs/en/db2/12.1.x
- New DB2_TRANSFER_OWNER_RULES and DB2_TRANSFER_ALLOW_UNHELD_AUTHS registry variables https://www.ibm.com/docs/en/db2/12.1.x
- ADMIN_MOVE_TABLE procedure https://www.ibm.com/docs/en/db2/12.1.x
- ADMIN_COPY_SCHEMA procedure https://www.ibm.com/docs/en/db2/12.1.x
- ALTOBJ procedure https://www.ibm.com/docs/en/db2/12.1.x
IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.