What it is about

Eclipse Jetty ist ein Java-HTTP-Server und Java-Servlet-Container. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Eclipse Jetty ausnutzen, um einen Denial of Service Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen offenzulegen.

Under what conditions?

Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.

What can happen in the worst case

An attacker could use the vulnerability to

• einen Denial of Service Angriff durchzuführen
• Sicherheitsmaßnahmen zu umgehen
• vertrauliche Informationen offenzulegen

Am I affected?

Affected according to the BSI:

• Red Hat Enterprise Linux
• IBM Tivoli Netcool/OMNIbus
• IBM Operational Decision Manager
• IBM SPSS Modeler
• IBM Storage Scale
• IBM Tivoli Network Manager
• SUSE Linux
• Eclipse Jetty <12.0.36
• Eclipse Jetty <12.1.10
• Eclipse Jetty <9.4.61
• Eclipse Jetty <10.0.29
• Eclipse Jetty <11.0.29

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:

• Eclipse Jetty 12.0.36
• Eclipse Jetty 12.1.10
• Eclipse Jetty 9.4.61
• Eclipse Jetty 10.0.29
• Eclipse Jetty 11.0.29
• Eclipse Jetty 12.0.35
• Eclipse Jetty 12.1.9
• Eclipse Jetty 10.0.23
• Eclipse Jetty 11.0.23
• Eclipse Jetty 9.4.63
• Eclipse Jetty 10.0.31
• Eclipse Jetty 11.0.31

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.