CVE-2021-21282

Buffer overflow in RPL source routing header processing

Description

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions prior to 4.5, buffer overflow can be triggered by an input packet when using either of Contiki-NG's two RPL implementations in source-routing mode. The problem has been patched in Contiki-NG 4.5. Users can apply the patch for this vulnerability out-of-band as a workaround.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.44%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: contiki-ng contiki-ng
Published at:
Updated at:

References

Link Tags
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6xf2-77gf-fgjx third party advisory patch
https://github.com/contiki-ng/contiki-ng/pull/1183 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-21282?
CVE-2021-21282 has been scored as a high severity vulnerability.
How to fix CVE-2021-21282?
To fix CVE-2021-21282, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21282 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21282 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21282?
CVE-2021-21282 affects contiki-ng contiki-ng.
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