What is the severity of ZDI-20-659?

The severity of ZDI-20-659 is critical due to its potential to allow remote code execution.

How do I fix ZDI-20-659?

To fix ZDI-20-659, users should apply the latest patches and updates provided by FreeBSD.

What systems are affected by ZDI-20-659?

ZDI-20-659 affects installations of the FreeBSD Kernel.

Is authentication required to exploit ZDI-20-659?

No, authentication is not required to exploit ZDI-20-659.

What type of attack can occur due to ZDI-20-659?

ZDI-20-659 can lead to remote code execution attacks on vulnerable systems.

Vulnerability/
ZDI-20-659

critical

9.8

4/8/2024

ZDI-20-659: 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	Affected Version	How to fix
FreeBSD Kernel

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Frequently Asked Questions

What is the severity of ZDI-20-659?
The severity of ZDI-20-659 is critical due to its potential to allow remote code execution.
How do I fix ZDI-20-659?
To fix ZDI-20-659, users should apply the latest patches and updates provided by FreeBSD.
What systems are affected by ZDI-20-659?
ZDI-20-659 affects installations of the FreeBSD Kernel.
Is authentication required to exploit ZDI-20-659?
No, authentication is not required to exploit ZDI-20-659.
What type of attack can occur due to ZDI-20-659?
ZDI-20-659 can lead to remote code execution attacks on vulnerable systems.

agent/references
agent/type
agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-20-659
alias/ZDI-CAN-10624
alias/CVE-2020-7454
agent/software-canonical-lookup
agent/severity
agent/title
agent/event
agent/description
agent/tags
agent/source
vendor/freebsd
canonical/freebsd kernel

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Frequently Asked Questions

What is the severity of ZDI-20-659?
The severity of ZDI-20-659 is critical due to its potential to allow remote code execution.
How do I fix ZDI-20-659?
To fix ZDI-20-659, users should apply the latest patches and updates provided by FreeBSD.
What systems are affected by ZDI-20-659?
ZDI-20-659 affects installations of the FreeBSD Kernel.
Is authentication required to exploit ZDI-20-659?
No, authentication is not required to exploit ZDI-20-659.
What type of attack can occur due to ZDI-20-659?
ZDI-20-659 can lead to remote code execution attacks on vulnerable systems.