What is CVE-2018-19417?

CVE-2018-19417 is a critical-severity vulnerability in Contiki-ng, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 10.0/10. Published 2018-11-21.

How severe is CVE-2018-19417?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2018-19417 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Contiki-ng

CVE-2018-19417

An issue was discovered in the MQTT server in Contiki-NG before 4.2. The function parse_publish_vhdr() that parses MQTT PUBLISH messages with a variable length header uses memcpy to input data into a fixed size buffer. The allocated buffer…

Vulnerability class: Buffer Overflow

EPSS: 0.057 (92.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Contiki-ng
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2018-19417?: CVE-2018-19417 is a critical-severity vulnerability in Contiki-ng, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 10.0/10. Published 2018-11-21.
How severe is CVE-2018-19417?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2018-19417 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.