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Shellshock, also known as Bashdoor, [1] is a family of security bugs [2] in the Unix Bash shell, the first of which was disclosed on 24 September 2014.Shellshock could enable an attacker to cause Bash to execute arbitrary commands and gain unauthorized access [3] to many Internet-facing services, such as web servers, that use Bash to process requests.
An attacker could perform arbitrary code execution on a target computer with Git installed by creating a malicious Git tree (directory) named .git (a directory in Git repositories that stores all the data of the repository) in a different case (such as .GIT or .Git, needed because Git does not allow the all-lowercase version of .git to be ...
Vino was a VNC server for the GNOME desktop environment, the GNOME developers now recommend using "gnome-remote-desktop" instead. Configuration up to version 3.8.0 was via the vino-preferences program. This was removed from the packages after that version, since the gnome-control-center could then be used alternatively to control settings.
Bash can execute the vast majority of Bourne shell scripts without modification, with the exception of Bourne shell scripts stumbling into fringe syntax behavior interpreted differently in Bash or attempting to run a system command matching a newer Bash builtin, etc. Bash command syntax includes ideas drawn from the Korn Shell (ksh) and the C ...
This modified m4 file was not present in the git repository; it was only available from tar files released by the maintainer separate from git. [4] The script appears to perform the injection only when the system is being built on an x86-64 Linux system that uses glibc and GCC and is being built via dpkg or rpm. [4]
The fork system call for duplicating a process is fully implemented, but the copy-on-write optimization strategy could not be used. [23] [24] [25] The Cygwin DLL contains a console driver that emulates a Unix-style terminal within the Windows console. Cygwin's default user interface is the bash shell running in the Cygwin console.
Everyone who is able to connect to this socket also has access to the ssh-agent. The permissions are set as in a usual Linux or Unix system. When the agent starts, it creates a new directory in /tmp with restrictive permissions. The socket is located in this directory. There is a procedure that may prevent malware from using the ssh-agent socket.
RemoteAccess was never ported to a 32-bit version, but there were two clones of RA in the later years which did include 32-bit versions: EleBBS in the late 1990s which included DOS, Windows, OS/2 and Linux flavors, and MBSE, a few years later, which focused mainly on the Linux operating system.