What it is about

Rancher ist ein Werkzeug für die Verwaltung von Kubernetes-Container basierten Umgebungen. Ein Angreifer kann mehrere Schwachstellen in Rancher Manager und Backup Operator ausnutzen, um Sicherheitsvorkehrungen zu umgehen und vertrauliche Informationen offenzulegen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

• Sicherheitsvorkehrungen zu umgehen
• vertrauliche Informationen offenzulegen

Am I affected?

Affected according to the BSI:

• Rancher Rancher <2.13.2
• Rancher Rancher <2.12.6
• Rancher Rancher <2.11.10
• Rancher Rancher <2.10.11
• Rancher Rancher Backup Operator <108.0.1+up9.0.1
• Rancher Rancher Backup Operator <107.1.2+up8.1.2
• Rancher Rancher Backup Operator <106.0.6+up7.0.5
• Rancher Rancher Backup Operator <105.0.6+up6.0.3

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

What helps?

Update to at least:

• Rancher Rancher 2.13.2
• Rancher Rancher 2.12.6
• Rancher Rancher 2.11.10
• Rancher Rancher 2.10.11
• Rancher Rancher Backup Operator 108.0.1+up9.0.1
• Rancher Rancher Backup Operator 107.1.2+up8.1.2
• Rancher Rancher Backup Operator 106.0.6+up7.0.5
• Rancher Rancher Backup Operator 105.0.6+up6.0.3

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.