by Kastro
Paper/Archive/CVE-2021-21282

CVE-2021-21282

contiki-ng contiki-ng — Buffer overflow in RPL source routing header processing

EPSS 1.0%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 62.6.626 × 2012.5No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
contiki-ng< 4.5–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

References

refgithub.com/contiki-ng/contiki-ng/security/advisories/GHSA-6xf2-77gf-fgjxrefgithub.com/contiki-ng/contiki-ng/pull/1183