ZDI-CAN-10849: FreeBSD Kernel NAT Out-Of-Bounds Access Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of FreeBSD Kernel. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of NAT. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of kernel.

Affected Software

1 affected component
FreeBSD Kernel

Event History

Aug 4, 2024
Advisory Published
via ZDI·09:35 AM

Frequently Asked Questions

1

What is the severity of ZDI-CAN-10849?

ZDI-CAN-10849 is considered a critical vulnerability due to its potential for remote arbitrary code execution.

2

How do I fix ZDI-CAN-10849?

To mitigate ZDI-CAN-10849, update the FreeBSD Kernel to the latest patched version as recommended in the vendor's advisory.

3

Who is affected by ZDI-CAN-10849?

ZDI-CAN-10849 affects installations of FreeBSD Kernel that implement NAT without proper validation.

4

Can ZDI-CAN-10849 be exploited without authentication?

Yes, ZDI-CAN-10849 can be exploited by remote attackers without the need for authentication.

5

What is the impact of exploiting ZDI-CAN-10849?

Exploiting ZDI-CAN-10849 allows attackers to execute arbitrary code, potentially compromising the affected system.

Contact

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