CVE-2024-12830: ng firewall Path Traversal (CVSS 7.3)

Description

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
arista	ng_firewall	All

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-24-1718/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-12830? +

CVE-2024-12830 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-12830? +

CVE-2024-12830 affects products from arista, specifically: ng_firewall. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-12830? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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