CVE-2024-7625 Nomad Vulnerable to Allocation Directory Escape On Non-Existing File Paths Through Archive Unpacking

What is CVE-2024-7625?

CVE-2024-7625 is a medium-severity path traversal vulnerability in HashiCorp Nomad, published on 14 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In HashiCorp Nomad and Nomad Enterprise from 0.6.1 up to 1.6.13, 1.7.10, and 1.8.2, the archive unpacking process is vulnerable to writes outside the allocation directory during migration of allocation directories when multiple archive headers target the same file. This vulnerability, CVE-2024-7625, is fixed in Nomad 1.6.14, 1.7.11, and 1.8.3. Access or compromise of the Nomad client agent at the source allocation first is a prerequisite for leveraging this vulnerability.

Weakness: CWE-610

Which versions are affected by CVE-2024-7625?

7 open source packages ship an affected version, including github.com/hashicorp/nomad. It affects 1 product.

Products include Hashicorp Nomad.

How do I fix CVE-2024-7625?

Upgrade github.com/hashicorp/nomad to a fixed version for your release line: 1.6.14, 1.8.3 or 1.7.11.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2024-7625 being exploited?

There is no known exploitation of CVE-2024-7625 in the wild and no public exploit code.

Other vulnerabilities in HashiCorp Nomad

• CVE-2023-1782 Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation Critical 10.0
• CVE-2022-30324 Privilege escalation in Hashicorp Nomad Critical 9.8
• CVE-2020-7956 Improper Certificate Validation in HashiCorp Nomad Critical 9.8
• CVE-2019-12618 Hashicorp Nomad Access Control Issues Critical 9.8
• CVE-2020-27195 Use After Free in HashiCorp Nomad Critical 9.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-25qx-vfw2-fw8r, GO-2024-3073, UBUNTU-CVE-2024-7625.