CVE-2022-0324

Buffer Overflow in Dhcp6relay in Software for Open Networking in the Cloud (SONiC)

Published Nov 14, 2022 CVSS 3.1 · 8.1 High EPSS 1.6% KEV · Not listed
Description
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-15492 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses
  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  • CWE-787

    Out-of-bounds Write

Sources

Status
PUBLISHED
Assigner
GovTech CSG
Published
Updated
Apr 30, 2025, 1:37 PM
Reserved
Jan 21, 2022, 1:21 AM
Status
Modified
Published
Nov 14, 2022, 5:15 PM
Modified
Jun 17, 2026, 4:20 AM