SB2023052428 - Missing authentication for critical function in IBM InfoSphere Information Server
Published: May 24, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authentication for Critical Function (CVE-ID: CVE-2021-34538)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to CREATE() and DROP() function operations does not check for necessary authorization of involved entities in the query. A remote unauthenticated attacker can manipulate an existing UDF to drop and recreate UDFs pointing them to new jars that could be potentially malicious.
Remediation
Install update from vendor's website.