CVE-2022-24684 Nomad Spread Job Stanza May Trigger Panic in Servers

What is CVE-2022-24684?

CVE-2022-24684 is a medium-severity denial of service vulnerability in n/a, published on 15 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

HashiCorp Nomad and Nomad Enterprise 0.9.0 through 1.0.16, 1.1.11, and 1.2.5 allow operators with job-submit capabilities to use the spread stanza to panic server agents. Fixed in 1.0.18, 1.1.12, and 1.2.6.

Which versions are affected by CVE-2022-24684?

7 open source packages ship an affected version, including github.com/hashicorp/nomad. It affects 1 product.

Products include Hashicorp Nomad.

How do I fix CVE-2022-24684?

Upgrade github.com/hashicorp/nomad to a fixed version for your release line: 1.0.18, 1.1.12 or 1.2.6.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-24684 being exploited?

There is no known exploitation of CVE-2022-24684 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-1782 Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation Critical 10.0
• CVE-2022-30324 Privilege escalation in Hashicorp Nomad Critical 9.8
• CVE-2020-7956 Improper Certificate Validation in HashiCorp Nomad Critical 9.8
• CVE-2019-12618 Hashicorp Nomad Access Control Issues Critical 9.8
• CVE-2020-27195 Use After Free in HashiCorp Nomad Critical 9.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6jm6-cmcp-fqjq, GO-2022-0560, UBUNTU-CVE-2022-24684.