What’s Vulnerable › Vulnerabilities
CVE-2022-0324: Buffer Overflow in Dhcp6relay in Software for Open Networking in the Cloud (SONiC)
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-11-14 · updated 2026-06-17
- Weakness: CWE-120
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.
Affected products
References
- https://github.com/sonic-net/sonic-buildimage/security/advisories/GHSA-m4qf-8rrq-mph9
- https://govtech-csg.github.io/security-advisories/2022/11/14/CVE-2022-0324.html
- https://github.com/sonic-net/sonic-buildimage/security/advisories/GHSA-m4qf-8rrq-mph9
- https://govtech-csg.github.io/security-advisories/2022/11/14/CVE-2022-0324.html
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