Integer overflow in Getcujo Smart_firewall

CVE-2018-4011

An exploitable integer underflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall, version 7003. When parsing SRV records in an mDNS packet, the "RDLENGTH" value is handled incorrectly, leading to an out-of-bounds acce…

EPSS: 0.013 (67.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-4011?
CVE-2018-4011 is a high-severity vulnerability in Getcujo Smart_firewall, classified under Integer Underflow. CVSS score: 7.5/10. Published 2019-03-21.
How severe is CVE-2018-4011?
High severity. CVSS v3 base score is 7.5 out of 10.