What it is about

Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um beliebigen Programmcode auszuführen.

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

• beliebigen Programmcode auszuführen

Am I affected?

Affected according to the BSI:

• Amazon Linux 2
• IBM InfoSphere Information Server 11.7
• Red Hat Enterprise Linux
• SUSE Linux
• Xerox FreeFlow Print Server 9
• Oracle Linux
• Splunk Splunk Enterprise
• RESF Rocky Linux
• NetApp ActiveIQ Unified Manager
• Red Hat Enterprise Linux 8.8
• Red Hat Enterprise Linux python-setuptools <69.1.1
• IBM QRadar SIEM <7.5.0 UP9 IF03

and 12 more

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

What helps?

Update to at least:

• Red Hat Enterprise Linux python-setuptools 69.1.1
• IBM QRadar SIEM 7.5.0 UP9 IF03
• IBM Sterling Connect:Direct 6.3.0.11_ifix001
• IBM App Connect Enterprise Certified Container Operator 12.8.2
• IBM App Connect Enterprise Certified Container Operator 12.0.8
• Splunk Splunk Enterprise 9.4.3
• Splunk Splunk Enterprise 9.3.5
• Splunk Splunk Enterprise 9.2.7
• Splunk Splunk Enterprise 9.1.10
• Dell PowerProtect Data Domain 8.4.0.0
• Dell PowerProtect Data Domain 7.10.1.70
• Dell PowerProtect Data Domain 7.13.1.40

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.