جزئیات آسیب‌پذیری

Kenwood DNR1007XR udhcpd Incorrect Permission Assignment Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Kenwood DNR1007XR devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the udhcpd service. The issue results from incorrect permissions set on a resource used by the service. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root. Was ZDI-CAN-29111.

• https://www.zerodayinitiative.com/advisories/ZDI-26-487/ x_research-advisory
• https://www.kenwood.com/cs/ce/mm/firmware/2020/2020f/eng.html vendor-advisory