CVE-2018-3985 is a critical double free vulnerability affecting the mdnscap binary in the CUJO Smart Firewall. This flaw allows an unauthenticated attacker to achieve arbitrary code execution by sending a specially crafted mDNS packet with an invalid query name, causing a memory space to be freed twice. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has received limited community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7003CPE matchmatch criteria | cpe:2.3:a:getcujo:smart_firewall:7003:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.