CVE-2022-0324 HIGH

CVE-2022-0324: Buffer Overflow in Dhcp6relay in Software for Open Networking in the Cloud (SONiC)

Vendor Linux Foundation
Product Software for Open Networking in the Cloud (SONiC)
Weakness CWE-120
Published November 14, 2022
Last update April 30, 2025

CVSS base score

8.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

There is a vulnerability in DHCPv6 packet parsing code that could be explored by remote attacker to craft a packet that could cause buffer overflow in a memcpy call, leading to out-of-bounds memory write that would cause dhcp6relay to crash. Dhcp6relay is a critical process and could cause dhcp relay docker to shutdown. Discovered by Eugene Lim of GovTech Singapore.

Key dates

02Disclosure timeline

November 14, 2022 CVE published
April 30, 2025 Record updated