CVE-2018-3985: 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…

PriorityP354critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.86%

76.6th percentile

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

1 ranges

Vendor	Product	Version range	Fixed in
getcujo	smart_firewall	—	—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv3.08.3HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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