The challenge ships a small Flask (Python) app (visible in the Docker image). The relevant snippet:
Digitizing city grids and managing municipal services. netcad 5.2 full indir 63
By following the steps outlined in this article, you can download and install NETCAD 5.2 full indir 63 and start experiencing the benefits of the software for yourself. Whether you are an architect, engineer, or construction professional, NETCAD 5.2 is an ideal solution for your design and engineering needs. The challenge ships a small Flask (Python) app
GET /download?file=files/../../flag.txt HTTP/1.1 Host: challenge.netcad5.com Whether you are an architect, engineer, or construction
Historically, Netcad 5.2 was designed for Windows XP and Windows 7. To run it on modern operating systems like Windows 10 or 11, users often need to: Run the application in .
From the source tree of the Docker image we see a file called flag.txt located at the root of the container ( /flag.txt ). It is not inside files/ , so we need to climb out of files/ enough levels to reach / .
: Legacy versions lack official security updates and technical support from Netcad Portal . Official Alternatives