What is CVE-2018-18764?

CVE-2018-18764 is a critical-severity vulnerability in Cesanta Mongoose, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2018-10-29.

How severe is CVE-2018-18764?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Cesanta Mongoose

CVE-2018-18764

An exploitable arbitrary memory read vulnerability exists in the MQTT packet-parsing functionality of Cesanta Mongoose 6.13. It is a heap-based buffer over-read in a parse_mqtt getu16 call. A specially crafted MQTT SUBSCRIBE packet can cau…

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Cesanta Mongoose — versions 6.13
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2018-18764?: CVE-2018-18764 is a critical-severity vulnerability in Cesanta Mongoose, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2018-10-29.
How severe is CVE-2018-18764?: Critical severity. CVSS v3 base score is 9.1 out of 10.