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    CVE-2018-4011

    An exploitable integer underflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall, version 7003. When parsing SRV records in an mDNS packet, the "RDLENGTH" value is handled incorrectly, leading to an out-of-bounds access that crashes the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability.

    Published:Mar 21, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 21, 2019
    EPSS Score:0.01535
    CVSS Score:7.5

    Affected Products

    Vendor
    Getcujo
    Product
    Smart Firewall

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2018-0681https://talosintelligence.com/vulnerability_reports/TALOS-2018-0681

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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-2018-3985 (CVSS 9.8) — An exploitable double free vulnerability exists in the mdnscap binary of the CUJO Smart Firewall. When parsing…
    CVE-2018-3969 (CVSS 7.8) — An exploitable vulnerability exists in the verified boot protection of the CUJO Smart Firewall. It is possible…
    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