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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/contiki-ng/contiki-ng/pull/972 (Patch, Third Party Advisory)
- github.com/contiki-ng/contiki-ng/releases/tag/release/v4.4 (Third Party Advisory, Release Notes)
- www.usenix.org/system/files/sec20summer_clements_prepub.pdf (Technical Description, Third Party Advisory)
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.