Vulnerability · Published Feb 16, 2023 · Assigned by HashiCorp
CVE-2023-0821Nomad Client Vulnerable to Decompression Bombs in Artifact Block
Medium 6.5
In plain English
A medium-severity security flaw in Nomad from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 43.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/hashicorp/nomad | 1.2.16 | GHSA-w479-w22g-cffh |
| Go | github.com/hashicorp/nomad | 1.3.9 | GHSA-w479-w22g-cffh |
| Go | github.com/hashicorp/nomad | 1.4.4 | GHSA-w479-w22g-cffh |
| Go | github.com/hashicorp/nomad | 1.2.16, 1.3.9, 1.4.4 | GO-2023-1581 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HashiCorp | Nomad | 0 – through 1.2.150 – through 1.3.80 – through 1.4.3 |
| HashiCorp | Nomad Enterprise | 0 – through 1.2.150 – through 1.3.80 – through 1.4.3 |
Weakness: CWE-409 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H