Researchers at the NCCGroup have been working on a 5-part explanation of a Windows kernel vulnerability , targeting the Kernel Transaction Manager (KTM). The vulnerability, CVE-2018-8611, is a local privilege escalation bug. There doesn’t seem to be a way to exploit this remotely, but it is an interesting bug, and NCCGroup’s work on it is outstanding. They start with a bit of background on what the KTM is, and why one might want to use it. Next is a handy guide to reverse engineering Microsoft patches. From there, they describe the race condition and how to actually exploit it. They cover a wide swath in the series, so go check it out. Left4Dead 2 Just a reminder that bugs show up where you least expect them, [Hunter Stanton] shares his story of finding a code execution bug in the popular Valve game, Left4Dead 2. Since the game’s code isn’t available to look at, he decided to go the route of fuzzing. The specific approach he took was to fuzz the navigation mesh data, part of the da...
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