Path Traversal in Arista Ng Firewall

CVE-2024-12830

Arista NG Firewall custom_handler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Arista NG Firewall. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the custom_handler method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the www-data user. Was ZDI-CAN-24019.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.010 (60.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-12830?
CVE-2024-12830 is a high-severity vulnerability in Arista Ng Firewall, classified under Path Traversal. CVSS score: 7.3/10. Published 2024-12-20.
How severe is CVE-2024-12830?
High severity. CVSS v3 base score is 7.3 out of 10.