CVE-2022-3867 Nomad Event Stream Subscriber Using a Token with TTL Receives Updates Until Garbage Collected
Attackers with short-lived tokens can continue receiving event stream updates after token expiration until garbage collection occurs.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-3867?
CVE-2022-3867 is a low-severity vulnerability in HashiCorp Nomad, published on 10 Nov 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.4.1 event stream subscribers using a token with TTL receive updates until token garbage is collected. Fixed in 1.4.2.
Weakness: CWE-613
Which versions are affected by CVE-2022-3867?
3 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 1.4.0 | 1.4.2 |
github.com/hashicorp/nomad Go | From 1.4.0 | 1.4.2 |
github.com/hashicorp/nomad Go | From 1.4.0 | 1.4.2 |
Products include Hashicorp Nomad.
How do I fix CVE-2022-3867?
Upgrade github.com/hashicorp/nomad to 1.4.2 or later.
Is CVE-2022-3867 being exploited?
There is no known exploitation of CVE-2022-3867 in the wild and no public exploit code.
Other vulnerabilities in HashiCorp Nomad
- CVE-2023-1782 Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation
- CVE-2022-30324 Privilege escalation in Hashicorp Nomad
- CVE-2020-7956 Improper Certificate Validation in HashiCorp Nomad
- CVE-2019-12618 Hashicorp Nomad Access Control Issues
- CVE-2020-27195 Use After Free in HashiCorp Nomad
Sources
Also known as GHSA-9fmc-5fq4-5jwh, GO-2022-1106, UBUNTU-CVE-2022-3867.