CVE-2021-21280

Summary

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. It is possible to cause an out-of-bounds write in versions of Contiki-NG prior to 4.6 when transmitting a 6LoWPAN packet with a chain of extension headers. Unfortunately, the written header is not checked to be within the available space, thereby making it possible to write outside the buffer. The problem has been patched in Contiki-NG 4.6. Users can apply the patch for this vulnerability out-of-band as a workaround.

Affected Software

VendorProductVersion RangeStatus
contiki-ngcontiki-ng< 4.6affected

Weaknesses

  • CWE-787: CWE-787: Out-of-bounds Write

ADP Enrichment

CVE Program Container

Additional References

References