Nomad: Externally Controlled Reference to a Resource in Another Sphere
CVE-2024-1329 is a high-severity externally controlled reference to a resource in another sphere vulnerability in Nomad from HashiCorp, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Nomad versions: 1.5.13 and earlier; 1.6.6 and earlier; 1.7.3 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.62% chance of exploitation within 30 days, higher than 50% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Nomad you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on discuss.hashicorp.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| HashiCorp | Nomad | 1.5.13 and earlier; 1.6.6 and earlier; 1.7.3 and earlier | Not stated |
| HashiCorp | Nomad Enterprise | 1.5.13 and earlier; 1.6.6 and earlier; 1.7.3 and earlier | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- HighData or code can be modified at will.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.7 | High | CNA (hashicorp.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
HashiCorp Nomad and Nomad Enterprise 1.5.13 up to 1.6.6, and 1.7.3 template renderer is vulnerable to arbitrary file write on the host as the Nomad client user through symlink attacks. This vulnerability, CVE-2024-1329, is fixed in Nomad 1.7.4, 1.6.7, and 1.5.14.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Externally Controlled Reference to a Resource in Another Sphere
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.
More Externally Controlled Reference to a Resource in Another Sphere vulnerabilities (CWE-610)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other vulnerabilities in Nomad
- 8.8 High severity
- 8.4 High severity
- 8.7 High severity
- 7.7 High severity
- 8.8 High severity
- 8.1 High severity
Recent Externally Controlled Reference to a Resource in Another Sphere vulnerabilities
- 7.3 High severity
- 9.8 Critical severity
- 8.8 High severity
- 7.8 High severity
- 8.8 High severity
- 8.8 High severity
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