Researchers from the Royal Holloway, University of London discovered a flaw in version 4.7 of OpenSSH on Debian/GNU Linux. Kenny Patterson, ISG lead professor at Royal Holloway Information Security Group (ISG) says an attacker has a 2^{-18} (that is, one in 262,144) chance of success. According to Patterson, a man-in-the-middle attacker could sit on a …