CVE-2023-31129 is a critical NULL pointer dereference vulnerability affecting Contiki-NG operating system versions 4.8 and prior. Specifically, the IPv6 Neighbor Discovery (ND) message handler for Router Solicitations (RS) fails to validate source link-layer address changes, leading to a NULL pointer dereference when processing SLLAO options. This vulnerability has a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, and a patch is available in the Contiki-NG develop branch and via a direct pull request.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.8CPE matchmatch criteria | cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.