CVE-2018-3969

An exploitable vulnerability exists in the verified boot protection of the CUJO Smart Firewall. It is possible to add arbitrary shell commands into the dhcpd.conf file, that persist across reboots and firmware updates, and thus allow for executing unverified commands. To trigger this vulnerabilit...

CVE-2018-3969

CVE-2018-3969 affects the CUJO Smart Firewall and describes a verified-boot bypass via embedding shell commands in /config/dhcpd.conf. Cisco Talos reports that an attacker who can write to /config/dhcpd.conf can cause the DHCP server to execute commands at boot, persisting across reboots and firm...