ZDI-CAN-24019: ZDI-24-1718: (0Day) 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 customhandler 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.
Other sources
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 ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2024-12830.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-24019?
ZDI-CAN-24019 is considered a critical vulnerability due to its ability to allow remote code execution without authentication.
How do I fix ZDI-CAN-24019?
To mitigate ZDI-CAN-24019, update the Arista NG Firewall to the latest version released by Arista addressing this vulnerability.
What type of vulnerability is ZDI-CAN-24019?
ZDI-CAN-24019 is classified as a remote code execution vulnerability.
Who is affected by ZDI-CAN-24019?
Organizations using the Arista NG Firewall are at risk due to the vulnerabilities present.
Can ZDI-CAN-24019 be exploited without authentication?
Yes, ZDI-CAN-24019 can be exploited by attackers remotely without any authentication required.