CVE-2022-0324 Buffer Overflow in Dhcp6relay in Software for Open Networking in the Cloud (SONiC)
Remote attackers can crash the DHCPv6 relay service via crafted packets, causing denial of service in SONiC network devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-0324?
CVE-2022-0324 is a high-severity memory corruption vulnerability in Linux Foundation Software for Open Networking in the Cloud (SONiC), published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2022-0324?
It affects 1 product.
Products include Linuxfoundation Software for Open Networking in the Cloud.
How do I fix CVE-2022-0324?
No fix has been published for CVE-2022-0324 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-0324 being exploited?
There is no known exploitation of CVE-2022-0324 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Linux Foundation Software for Open Networking in the Cloud (SONiC)
Sources
Also known as GHSA-cq4f-m4r6-7827.