OS command injection in MLflow

1) OS Command Injection

EUVDB-ID: #VU83926

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4033

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the mlflow models predict and mlflow models serve actions. A local user can pass specially crafted arguments to the application and execute arbitrary OS commands on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MLflow: before 2.6.0

CPE2.3

External links

http://github.com/mlflow/mlflow/commit/6dde93758d42455cb90ef324407919ed67668b9b
http://huntr.dev/bounties/5312d6f8-67a5-4607-bd47-5e19966fa321

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.