CVE-2022-24683 Arbitrary file reads in HashiCorp Nomad

High 7.5 Published 17 Feb 2022 Updated 3 Aug 2024

Operators with specific capabilities can read arbitrary host files as root, leading to sensitive data exposure and privilege escalation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2022-24683?

CVE-2022-24683 is a high-severity path traversal vulnerability in n/a, published on 17 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HashiCorp Nomad and Nomad Enterprise 0.9.2 through 1.0.17, 1.1.11, and 1.2.5 allow operators with read-fs and alloc-exec (or job-submit) capabilities to read arbitrary files on the host filesystem as root.

Which versions are affected by CVE-2022-24683?

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

Package	Affected	Fixed in
`github.com/hashicorp/nomad` Go	From `0.9.2`	`1.0.18, 1.1.12, 1.2.6`
`github.com/hashicorp/nomad` Go	From `0.9.2`	`1.0.18`
`github.com/hashicorp/nomad` Go	From `0.9.2`	`1.0.18`
`github.com/hashicorp/nomad` Go	From `1.1.0`	`1.1.12`
`github.com/hashicorp/nomad` Go	From `1.1.0`	`1.1.12`
`github.com/hashicorp/nomad` Go	From `1.2.0`	`1.2.6`

1 more packages

github.com/hashicorp/nomad Go From 1.2.0 1.2.6

Products include Hashicorp Nomad.

How do I fix CVE-2022-24683?

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

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-24683 being exploited?

There is no known exploitation of CVE-2022-24683 in the wild and no public exploit code.

Sources

Also known as GHSA-wmrx-57hm-mw7r, GO-2022-0584, UBUNTU-CVE-2022-24683.