“The attacker needs to be on the victim’s network in order to perform an ARP Spoofing Attack and a DNS Spoofing Attack on the victim’s machine in order to achieve remote code execution,” – As published by This attack primarily depends upon LAN/Router compromise. An unauthenticated attacker, sharing the network access layer with the vulnerable system, can compromise the vulnerable system by tricking a victim user into downloading and executing arbitrary executables via SupportAssist client from attacker hosted sites. Dell SupportAssist Client versions prior to 3.2.0.90 contain a remote code execution vulnerability. This vulnerability was disclosed by Bill Demirkapi, a security researcher. This vulnerability has been termed as CVE-ID 2019-3719. Vulnerability in Dell SupportAssist – Explained
It has been designed in way to protect web service running on system using “Access-Control-Allow-Origin” response header and validations that restrict it to accept commands only from the “” website or its subdomains background on port.
It is now preinstalled on most of all new Dell devices running Windows operating system and can be found in the Start menu under All Programs in the Dell or Alienware folder.īasically, Dell SupportAssist runs a web server locally on the user system in the background, either on port 8884, 8883, 8886, or port 8885 depending on port availability, and accepts various commands as URL parameters to perform some-predefined tasks on the computer, like collecting detailed system information or downloading a software from remote server and install it on the system. PCs and tablets with ProSupport Plus or Premium Plus service entitlements enjoy the full set of SupportAssist features, including predictive issue detection and failure prevention on batteries, fans, solid state drives and hard drives. Premium Support Plus enjoy the automated issue detection, notificationĪnd case creation offered by SupportAssist. Dell willĬontact you to start the resolution conversation, preventing issues from Information is sent to Dell for troubleshooting to begin. When an issue is detected, the necessary system state SupportAssist proactively checks the health of your system’s hardwareĪnd software.
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