CVE-2018-3985

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductGetcujo Smart Firewall
PublishedMar 21, 2019
First seenMar 21, 2019

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
getcujo smart_firewall7003—

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