SB2023052428 - Missing authentication for critical function in IBM InfoSphere Information Server



SB2023052428 - Missing authentication for critical function in IBM InfoSphere Information Server

Published: May 24, 2023

Security Bulletin ID SB2023052428
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • 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.