CVE-2024-12830CWE-22

Arista NG Firewall custom_handler Directory Traversal Remote Code Execution Vulnerability

High · published December 20, 2024

CVSS v3.0
8.1
EPSS
1%
Percentile
63.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01023 · 63.2th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2024-12-20T00:05Z
EPSS history
Timeline
  • 20 DEC 00:05Z
    Arista NG Firewall custom_handler Directory Traversal Remote Code Execution Vulnerability
    cvelistv5