A new vulnerability (CVE-2012-0056) that affects almost 650 different builds of the Linux kernel builds allows effortless privilege escalation to root. It works by forking child processes to trick the self_exec_id check on /proc/pid/mem access, allowing the code to modify its own SUID and gain root. CVE-2012-0056 $ ./mempodipper =============================== = Mempodipper = = by… Read More Linux local kernel privilege escalation to root
I was dubious at first, but I really have grown to like Redis. It’s a wonderfully simple solution to the problem of high-performance fast-changing data storage. However, its simplicity (combined with the incompetency of certain users) can easily become a detriment to security. The Redis protocol is a simple plain-text mechanism, offering no transport layer… Read More Redis security
In this series of posts, I’m going to discuss executable analysis, the methods that are used and mechanisms to prevent them. There are three types of analysis that can be performed on executables: Static – Analysis of the sample file on disk. Emulated – Branch and stack analysis of the sample through an emulator. Live… Read More Preventing executable analysis – Part 1, Static Analysis
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