Raw sockets backdoor gives attackers complete control of some Linux servers

“Chaos” gives attackers, and follow-on attackers, full control over infected boxes. A stealthy backdoor undetected by antimalware providers is giving unknown attackers complete control over at least 100 Linux servers that appear to be used in business production environments, warn researchers. In a blog post published Wednesday, Montreal-based GoSecure claimed that a piece of malware dubbed “Chaos” […]

Exploiting the Linux kernel via packet sockets

Lately I’ve been spending some time fuzzing network-related Linux kernel interfaces with syzkaller. Besides the recently discovered vulnerability in DCCP sockets, I also found another one, this time in packet sockets. This post describes how the bug was discovered and how we can exploit it to escalate privileges. The bug itself (CVE-2017-7308) is a signedness […]

Vulnerable smart home IoT sockets let hackers access your email account

The smart plug can act as a conduit not just for electricity — but for cyberattacks. Researchers have discovered critical security flaws in connected smart plugs which can give attackers access to a full home network — as well as your email account. Bitdefender researchers Dragos Gavrilut, Radu Basaraba and George Cabau said on Thursday that […]