PT-2019-10731 · Cujo · Cujo Smart Firewall

Published 2019-03-21 · Updated 2023-02-02 · CVE-2018-3963

Positive Technologies (AI Summary)

CVSS v3.1

9.0

Critical

Base vector

AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions CUJO Smart Firewall (affected versions not specified)

Description A command injection issue exists in the DHCP daemon configuration. When adding a new static DHCP address, the corresponding hostname is inserted into the dhcpd.conf file without sanitization, allowing for arbitrary execution of system commands. An attacker can trigger this issue by sending a DHCP request message and setting up the corresponding static DHCP entry.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2018-3963

Affected Products

Cujo Smart Firewall

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0627 · Exploit
• https://osv.dev/vulnerability/CVE-2018-3963 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-3963 · Security Note