Vulnerability Details 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 access that crashes the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 77.2%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 5.0
References
Products affected by CVE-2018-4011
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cpe:2.3:a:getcujo:smart_firewall:7003