High severity7.5NVD Advisory· Published Mar 21, 2019· Updated Jun 17, 2026
CVE-2018-4011
CVE-2018-4011
Description
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.
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Affected products
1- Range: 7003
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2018-0681nvdExploitThird Party Advisory
News mentions
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