Double Free in CUJO Smart Firewall - CVE-2018-3985
Published: September 17, 2019
Vulnerability identifier: #VU21161
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-3985
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: CUJO AI
Affected software:
CUJO Smart Firewall
CUJO Smart Firewall
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the "mdnscap" binary when parsing mDNS packets. A remote attacker can send a specially crafted mDNS message, trigger double free error and execute arbitrary code in the context of the "mdnscap" process.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-3985
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.