Critical Vulnerability Discovered in IIS 6.0 Web Services

IIS 6, the version that runs on Windows 2003 Server, was revealed this week to have a serious vulnerability that could allow an attacker to run malicious code on the server. The vulnerability has apparently been known to some malicious groups for some time, as attacks exploiting this vulnerability have been observed as far back as summer of 2016. But last week a proof-of-concept exploit for the vulnerability was posted to GitHub, bringing public attention to the problems and providing potential attackers with a head start on developing their own exploit code. That is likely to take this from a secretive exploit used by a few actors to one that will be widely used by many attackers, meaning anyone running a vulnerable server is a likely victim. Vulnerability announcements are common, but this one is especially problematic for several reasons: IIS 6.0 is a part of the Windows 2003 Server operating system, which aged out of support from Microsoft almost two years ago. There ar...