SB2023072022 - Multiple vulnerabilities in HashiCorp Nomad and Nomad Enterprise
Published: July 20, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2023-3072)
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to ACL policies using a block without a label which generates unexpected results. A remote administrator can create policies that allow access to unintended resources.
2) Information disclosure (CVE-ID: CVE-2023-3299)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the API caller’s ACL token secret ID is exposed to Sentinel policies. A remote attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.
References
- https://discuss.hashicorp.com/t/hcsec-2023-20-nomad-acl-policies-without-label-are-applied-to-unexpected-resources/56270
- https://github.com/hashicorp/nomad/issues/17908
- https://discuss.hashicorp.com/t/hcsec-2023-21-nomad-caller-acl-tokens-secret-id-is-exposed-to-sentinel/56271
- https://github.com/hashicorp/nomad/issues/17907