Command Injection in CUJO Smart Firewall - CVE-2018-3963
Published: September 17, 2019
Vulnerability identifier: #VU21159
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2018-3963
CWE-ID: CWE-77
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: CUJO AI
Affected software:
CUJO Smart Firewall
CUJO Smart Firewall
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary commands on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the DHCP daemon configuration. A local authenticated user can send a DHCP request message, set up the corresponding static DHCP entry and execute arbitrary system commands on the target system.
How to mitigate CVE-2018-3963
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.