Vulnerability Description
Contiki-NG is an open-source, cross-platform operating system for IoT devices. An unaligned memory access can be triggered in the two RPL implementations of the Contiki-NG operating system. The problem can occur when either one of these RPL implementations is enabled and connected to an RPL instance. If an IPv6 packet containing an odd number of padded bytes before the RPL option, it can cause the rpl_ext_header_hbh_update function to read a 16-bit integer from an odd address. The impact of this unaligned read is architecture-dependent, but can potentially cause the system to crash. The problem has not been patched as of release 4.9, but will be included in the next release. One can apply the changes in Contiki-NG pull request #2962 to patch the system or wait for the next release.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Contiki-Ng | Contiki-Ng | <= 4.9 |
Related Weaknesses (CWE)
References
- https://github.com/contiki-ng/contiki-ng/pull/2962Issue TrackingPatch
- https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-crjw-x84h-h6x3Vendor Advisory
FAQ
What is CVE-2024-47181?
CVE-2024-47181 is a vulnerability with a CVSS score of 7.5 (HIGH). Contiki-NG is an open-source, cross-platform operating system for IoT devices. An unaligned memory access can be triggered in the two RPL implementations of the Contiki-NG operating system. The proble...
How severe is CVE-2024-47181?
CVE-2024-47181 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-47181?
Check the references section above for vendor advisories and patch information. Affected products include: Contiki-Ng Contiki-Ng.