What is CVE-2019-8359?

CVE-2019-8359 is a critical-severity vulnerability in Contiki-ng, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-23.

How severe is CVE-2019-8359?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Contiki-ng

CVE-2019-8359

An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. An out of bounds write is present in the data section during 6LoWPAN fragment re-assembly in the face of forged fragment offsets in os/net/ipv6/sicslowpan.c.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Contiki-ng
Contiki-os Contiki
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-8359?: CVE-2019-8359 is a critical-severity vulnerability in Contiki-ng, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-23.
How severe is CVE-2019-8359?: Critical severity. CVSS v3 base score is 9.8 out of 10.