CVE-2022-41606 Explained : Impact and Mitigation

HashiCorp Nomad and Nomad Enterprise 1.0.2 up to 1.2.12, and 1.3.5 jobs submitted with an artifact stanza using invalid S3 or GCS URLs can be used to crash client agents. Fixed in 1.2.13, 1.3.6, and 1.4.0.

Understanding CVE-2022-41606

This CVE affects HashiCorp Nomad and Nomad Enterprise versions 1.0.2 to 1.2.12, and 1.3.5, allowing attackers to crash client agents by submitting jobs with an invalid S3 or GCS URL in the artifact stanza.

What is CVE-2022-41606?

CVE-2022-41606 is a vulnerability in HashiCorp Nomad that permits crashing client agents by exploiting invalid S3 or GCS URLs in job submissions.

The Impact of CVE-2022-41606

The vulnerability can be leveraged by threat actors to disrupt client agents, leading to potential denial-of-service (DoS) scenarios in affected systems.

Technical Details of CVE-2022-41606

The following technical aspects are crucial for understanding and addressing CVE-2022-41606.

Vulnerability Description

The vulnerability arises in HashiCorp Nomad and Nomad Enterprise due to improper processing of artifact stanza URLs, allowing for client agent crashes.

Affected Systems and Versions

HashiCorp Nomad and Nomad Enterprise versions 1.0.2 to 1.2.12, and 1.3.5 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this CVE by crafting job submissions with invalid S3 or GCS URLs in the artifact stanza to trigger client agent crashes.

Mitigation and Prevention

To safeguard systems from CVE-2022-41606, immediate actions and long-term security measures are essential.

Immediate Steps to Take

Update HashiCorp Nomad and Nomad Enterprise to the patched versions 1.2.13, 1.3.6, or 1.4.0 to mitigate the vulnerability.

Long-Term Security Practices

Regularly monitor for security advisories and apply patches promptly to prevent exploitation of known vulnerabilities.

Patching and Updates

Stay informed about security updates released by HashiCorp and apply them diligently to keep systems protected.