XXE FTP Server - A {web,ftp}-server for XXE

XXE - FTP OoB basics XXE offers a great attack avenue for reading files from a vulnerable web-app. One of my favourite XXE attacks involves protocol handler abuse, where you use FTP to do an out of band read. This is useful in those cases where you have XXE but it is blind. Unlike the normal OoB retreival through HTTP, FTP works with newer versions of Java (>1.7) and there are fewer characters which break the retrieval....

December 11, 2016 · 3 min · 567 words · Etienne Stalmans