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    4 vulnerabilities by cujo

    VAR-201910-1511

    Vulnerability from variot - Updated: 2024-11-23 22:58

    An exploitable denial-of-service vulnerability exists in the mdnscap binary of the CUJO Smart Firewall running firmware 7003. When parsing labels in mDNS packets, the firewall unsafely handles label compression pointers, leading to an uncontrolled recursion that eventually exhausts the stack, crashing the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability. CUJOSmartFirewall is a home smart firewall device from CUJO. This vulnerability stems from the failure of the program to safely process compressed pointers when parsing tags in mDNS packets

    Show details on source website

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    VAR-201903-1224

    Vulnerability from variot - Updated: 2024-11-23 22:55

    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. CUJO Smart Firewall Contains a command injection vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Permission permissions and access control vulnerabilities exist in the Authentication Boot Protection feature in CUJOSmartFirewall using firmware version 7003

    Show details on source website

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    VAR-201903-1226

    Vulnerability from variot - Updated: 2024-11-23 22:17

    An exploitable heap overflow vulnerability exists in the mdnscap binary of the CUJO Smart Firewall running firmware 7003. The string lengths are handled incorrectly when parsing character strings in mDNS resource records, leading to arbitrary code execution in the context of the mdnscap process. An unauthenticated attacker can send an mDNS message to trigger this vulnerability. CUJO Smart Firewall Contains a buffer error vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. CUJOSmartFirewall is a home smart firewall device from CUJO

    Show details on source website

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    VAR-201903-1222

    Vulnerability from variot - Updated: 2024-11-23 22:12

    An exploitable command injection vulnerability exists in the DHCP daemon configuration of the CUJO Smart Firewall. When adding a new static DHCP address, its corresponding hostname is inserted into the dhcpd.conf file without prior sanitization, allowing for arbitrary execution of system commands. To trigger this vulnerability, an attacker can send a DHCP request message and set up the corresponding static DHCP entry. CUJOSmartFirewall is a home smart firewall device from CUJO. An attacker could exploit this vulnerability to execute arbitrary system commands

    Show details on source website

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