What is CVE-2018-3985?

CVE-2018-3985 is a critical-severity vulnerability in Getcujo Smart_firewall, classified under Double Free. CVSS score: 9.8/10. Published 2019-03-21.

How severe is CVE-2018-3985?

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

Double Free in Getcujo Smart_firewall

CVE-2018-3985

An exploitable double free vulnerability exists in the mdnscap binary of the CUJO Smart Firewall. When parsing mDNS packets, a memory space is freed twice if an invalid query name is encountered, leading to arbitrary code execution in the…

Vulnerability class: Double Free

EPSS: 0.019 (76.6th 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

Getcujo Smart_firewall — versions 7003
N/a Cujo — versions CUJO Smart Firewall - Firmware version 7003

Weakness classification (CWE)

CWE-415 — Double Free

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-3985?: CVE-2018-3985 is a critical-severity vulnerability in Getcujo Smart_firewall, classified under Double Free. CVSS score: 9.8/10. Published 2019-03-21.
How severe is CVE-2018-3985?: Critical severity. CVSS v3 base score is 9.8 out of 10.