cvedb.io
CVE-2018-3985
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2019-03-21T16:29:01.627 · Last modified 2026-06-17T01:58:09.897

Summary

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 context of the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability.

Affected products

getcujo — smart_firewall

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.