Privilege escalation in Nomad

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU63504

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-30324

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the go-getter library, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nomad: 1.1.0 - 1.3.0

CPE2.3

• cpe:2.3:a:hashicorp:nomad:1.1.13:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:nomad:1.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:hashicorp:nomad:1.3.0:*:*:*:*:*:*:*

External links

https://github.com/hashicorp/nomad/releases/tag/v1.3.1
https://github.com/hashicorp/nomad/releases/tag/v1.1.14
https://github.com/hashicorp/nomad/releases/tag/v1.2.8

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.