Buffer overflow in Linux Foundation Software For Open Networking In The Cloud (Sonic)
CVE-2022-0324
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Linux Foundation Software For Open Networking In The Cloud (Sonic) — versions 202111
- Linuxfoundation Software For Open Networking In The Cloud — versions 202111
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/sonic-net/sonic-buildimage/security/advisories/GHSA-m4qf-8rrq-mph9 (Third Party Advisory)
- govtech-csg.github.io/security-advisories/2022/11/14/CVE-2022-0324.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0324?
- CVE-2022-0324 is a high-severity vulnerability in Linux Foundation Software For Open Networking In The Cloud (Sonic), classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2022-11-14.
- How severe is CVE-2022-0324?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2022-0324 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.