Multiple vulnerabilities in HashiCorp Nomad and Nomad Enterprise
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-3072 CVE-2023-3299 |
| CWE-ID | CWE-20 CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Nomad Enterprise Web applications / Modules and components for CMS Nomad Server applications / Virtualization software |
| Vendor | HashiCorp |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU78445
Risk: Low
CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-3072
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNomad Enterprise: 0.0.0 - 1.5.6
Nomad: 0.0.0 - 1.5.6
External linkshttp://discuss.hashicorp.com/t/hcsec-2023-20-nomad-acl-policies-without-label-are-applied-to-unexpected-resources/56270
http://github.com/hashicorp/nomad/issues/17908
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Information disclosure
EUVDB-ID: #VU78447
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-3299
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNomad Enterprise: 1.2.11 - 1.5.6
Nomad: 1.2.11 - 1.5.6
External linkshttp://discuss.hashicorp.com/t/hcsec-2023-21-nomad-caller-acl-tokens-secret-id-is-exposed-to-sentinel/56271
http://github.com/hashicorp/nomad/issues/17907
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
