On the other hand, some debuggers make the attack harder – they provide authentication or client IP restrictions. Therefore, many debuggers don’t provide security features and use plain-text protocols without authentication or any kind of restrictions. Moreover, remote debugging usually happens in a trusted environment.
Visual studio remote debugging port code#
It means that, in almost all cases, the attacker can very easily achieve remote code execution once they access the remote debugger. The purpose of a debugger is to give the programmer maximum capabilities. Another typical scenario for remote debugging is debugging a Docker container.Ī debugger is a very valuable target for an attacker. For example, you use it when you need to debug an enterprise Java application that is too big to develop locally and that has strong connections with the environment or processed data. You use remote debugging when you cannot investigate an issue locally. Low-hanging fruitĮvery developer uses some kind of a debugging tool but remote debugging is less common. Therefore, I decided to research this blind spot further. I also checked what capabilities Nmap has in this respect and found only checks for JDWP. When I was writing the new Acunetix checks, I became curious about similar cases regarding other programming languages.
Visual studio remote debugging port full#
When I was working as a penetration tester, I often found that enterprise Java applications exposed a Java Debug Wire Protocol (JDWP) port, which would easily allow an attacker to get full control over the application. These debug modes and components/panels often have misconfigurations, which may lead to the disclosure of sensitive information or even to remote command execution (code injection).Īs I was working on these checks, I remembered cases when I discovered that applications expose a special port for remote debugging. Several of these checks were related to the debug modes of web applications as well as components/panels used for debugging. Over the course of the past year, our team added many new checks to the Acunetix scanner.
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