ZDI-24-1718: (0Day) Arista NG Firewall custom_handler Directory Traversal Remote Code Execution Vulnerability
First published: Thu Dec 19 2024(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arista Edge Threat Management - Arista NG Firewall |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-24-1718?
The severity of ZDI-24-1718 is critical, as it allows remote code execution without authentication.
How do I fix ZDI-24-1718?
To fix ZDI-24-1718, update your Arista NG Firewall to the latest available version that addresses this vulnerability.
Who is affected by ZDI-24-1718?
The vulnerability ZDI-24-1718 affects installations of Arista NG Firewall that have not applied the necessary patches.
Can ZDI-24-1718 be exploited remotely?
Yes, ZDI-24-1718 can be exploited remotely, allowing an attacker to execute arbitrary code.
Is authentication required to exploit ZDI-24-1718?
No, authentication is not required to exploit the vulnerability ZDI-24-1718.
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