CVE-2023-50927: Insufficient boundary checks for DIO and DAO messages in RPL-Lite in Contiki-NG
Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. An attacker can trigger out-of-bounds reads in the RPL-Lite implementation of the RPL protocol in the Contiki-NG operating system. This vulnerability is caused by insufficient control of the lengths for DIO and DAO messages, in particular when they contain RPL sub-option headers. The problem has been patched in Contiki-NG 4.9. Users are advised to upgrade. Users unable to upgrade should manually apply the code changes in PR #2484.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-50927?
The severity of CVE-2023-50927 is classified as high due to the potential for remote code execution from out-of-bounds reads.
How do I fix CVE-2023-50927?
To fix CVE-2023-50927, update Contiki-NG to version 4.9 or later where the vulnerability is addressed.
What kind of systems are affected by CVE-2023-50927?
CVE-2023-50927 affects the Contiki-NG operating system for Next-Generation IoT devices.
What is the cause of CVE-2023-50927?
CVE-2023-50927 is caused by insufficient control of the RPL-Lite implementation in the RPL protocol.
Can CVE-2023-50927 be exploited remotely?
Yes, CVE-2023-50927 can be exploited remotely, allowing attackers to trigger out-of-bounds reads.