What is CVE-2018-20579?

CVE-2018-20579 is a high-severity vulnerability in Contiki-Ng Project, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2018-12-28.

How severe is CVE-2018-20579?

High severity. CVSS v3 base score is 7.1 out of 10.

Buffer overflow in Contiki-Ng Project

CVE-2018-20579

Contiki-NG before 4.2 has a stack-based buffer overflow in the push function in os/lib/json/jsonparse.c that allows an out-of-bounds write of an '{' or '[' character.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Contiki-ng_project Contiki-ng — versions 4.2
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2018-20579?: CVE-2018-20579 is a high-severity vulnerability in Contiki-Ng Project, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2018-12-28.
How severe is CVE-2018-20579?: High severity. CVSS v3 base score is 7.1 out of 10.