What it is about

IBM Java SDK ist die Java Software Development Kit Portierung von IBM. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in IBM Java SDK ausnutzen, um einen Denial of Service Angriff durchzuführen.

Under what conditions?

Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.

What can happen in the worst case

An attacker could use the vulnerability to

• einen Denial of Service Angriff durchzuführen

Am I affected?

Affected according to the BSI:

• IBM Tivoli Business Service Manager
• Red Hat Enterprise Linux
• IBM WebSphere Application Server 8.5
• IBM WebSphere Application Server 9.0
• IBM Tivoli Netcool/OMNIbus
• IBM Rational Business Developer
• IBM WebSphere Service Registry and Repository
• IBM Business Automation Workflow
• SUSE Linux
• IBM Java SDK <7.1.5.31
• IBM Java SDK <8.0.8.70
• IBM Semeru Runtime <8.0.504.0

and 9 more

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

• IBM Java SDK 7.1.5.31
• IBM Java SDK 8.0.8.70
• IBM Semeru Runtime 8.0.504.0
• IBM Semeru Runtime 11.0.32.10
• IBM Semeru Runtime 17.0.20.10
• IBM Semeru Runtime 21.0.12.10
• IBM Semeru Runtime 25.0.4.10
• IBM Semeru Runtime 26.0.2.10

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.