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    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 vulnerability, a local attacker needs to be able to write into /config/dhcpd.conf.

    Published:Mar 21, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 21, 2019
    EPSS Score:0.00122
    CVSS Score:7.8

    Affected Products

    Vendor
    Getcujo
    Product
    Smart Firewall

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2018-0634https://talosintelligence.com/vulnerability_reports/TALOS-2018-0634

    Related CVEs

    CVE-2018-4031 (CVSS 10) — An exploitable vulnerability exists in the safe browsing function of the CUJO Smart Firewall, version 7003. Th…
    CVE-2018-3963 (CVSS 8) — An exploitable command injection vulnerability exists in the DHCP daemon configuration of the CUJO Smart Firew…
    CVE-2018-4030 (CVSS 7.5) — An exploitable vulnerability exists the safe browsing function of the CUJO Smart Firewall, version 7003. The b…
    CVE-2018-4011 (CVSS 7.5) — An exploitable integer underflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall, versio…
    CVE-2018-3985 (CVSS 9.8) — An exploitable double free vulnerability exists in the mdnscap binary of the CUJO Smart Firewall. When parsing…
    CVE-2018-4003 (CVSS 9.8) — An exploitable heap overflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall running fir…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High