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Pentoo is a Live CD and Live USB designed for penetration testing and security assessment. [3] [4] [5] [6] Based on Gentoo Linux, Pentoo is provided both as 32 and 64 ...
In February 2024, a malicious backdoor was introduced to the Linux build of the xz utility within the liblzma library in versions 5.6.0 and 5.6.1 by an account using the name "Jia Tan". [ b ] [ 4 ] The backdoor gives an attacker who possesses a specific Ed448 private key remote code execution through OpenSSH on the affected Linux system.
Kali Linux is currently distributed as a 64-bit images for use on hosts based on the x86-64 architecture and as an image for the ARM architecture for use on the Beagle Board computer and Samsung's ARM Chromebook. [19] With the release of 2024.4, 32-bit images based on the i386 architecture were officially dropped. [17] [20]
Breaking a symmetric 256-bit key by brute-force requires 2 128 times more computational power than a 128-bit key. One of the fastest supercomputers in 2019 has a speed of 100 petaFLOPS which could theoretically check 100 trillion (10 14 ) AES keys per second (assuming 1000 operations per check), but would still require 3.67×10 55 years to ...
The rise of 64-bit x86 processors brought with it a change to the subroutine calling convention that required the first few arguments to a function to be passed in registers instead of on the stack. This meant that an attacker could no longer set up a library function call with desired arguments just by manipulating the call stack via a buffer ...
BackBox is a penetration test and security assessment oriented Ubuntu-based Linux distribution providing a network and informatic systems analysis toolkit. [3] It includes a complete set of tools required for ethical hacking and security testing.
Linux kernel (<4.8.3) Dirty COW ( Dirty copy-on-write ) is a computer security vulnerability of the Linux kernel that affected all Linux-based operating systems, including Android devices, that used older versions of the Linux kernel created before 2018.
Like Unix systems, Linux implements a multi-user environment where users are granted specific privileges and there is some form of access control implemented. To gain control over a Linux system or to cause any serious consequences to the system itself, the malware would have to gain root access to the system.