What it is about

Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux in der Cryostat Komponente ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.

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 Cross-Site Scripting Angriff durchzuführen

Am I affected?

Affected according to the BSI:

• Red Hat Enterprise Linux
• Red Hat Enterprise Linux 8 Cryostat <3
• Red Hat Enterprise Linux Discovery
• Atlassian Jira <10.7.2
• Atlassian Jira <10.3.8 (LTS)
• Atlassian Jira <9.12.25 (LTS)
• Dell Secure Connect Gateway <5.34.00.00

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 8 Cryostat 3
• Atlassian Jira 10.7.2
• Atlassian Jira 10.3.8 (LTS)
• Atlassian Jira 9.12.25 (LTS)
• Dell Secure Connect Gateway 5.34.00.00

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.