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RegreSSHion is a family of security bugs in the OpenSSH software that allows for an attacker to remotely execute code and gain potential root access on a machine running the OpenSSH Server. [1] [2] The vulnerability was discovered by the Qualys Threat Research Unit and was disclosed on July 1, 2024.
The malicious code is known to be in 5.6.0 and 5.6.1 releases of the XZ Utils software package. The exploit remains dormant unless a specific third-party patch of the SSH server is used. Under the right circumstances this interference could potentially enable a malicious actor to break sshd authentication and gain unauthorized access to the ...
CopSSH is an implementation of OpenSSH for Windows. CopSSH offers both SSH client and server functionality and can be used for remote administration of Windows systems. CopSSH contains DLLs from the Cygwin Linux environment and a version of OpenSSH compiled from C
OpenSSH is not a single computer program, but rather a suite of programs that serve as alternatives to unencrypted protocols like Telnet and FTP. OpenSSH is integrated into several operating systems, namely Microsoft Windows, macOS and most Linux operating systems, [7] [8] while the portable version is available as a package in other systems ...
On its own, an arbitrary code execution exploit will give the attacker the same privileges as the target process that is vulnerable. [11] For example, if exploiting a flaw in a web browser, an attacker could act as the user, performing actions such as modifying personal computer files or accessing banking information, but would not be able to perform system-level actions (unless the user in ...
PrintNightmare is a critical security vulnerability affecting the Microsoft Windows operating system. [2] [5] The vulnerability occurred within the print spooler service. [6] [7] There were two variants, one permitting remote code execution (CVE-2021-34527), and the other leading to privilege escalation (CVE-2021-1675).
The BlueKeep security vulnerability was first noted by the UK National Cyber Security Centre [2] and, on 14 May 2019, reported by Microsoft. The vulnerability was named BlueKeep by computer security expert Kevin Beaumont on Twitter. BlueKeep is officially tracked as: CVE-2019-0708 and is a "wormable" remote code execution vulnerability. [5] [6]
The operating systems or virtual machines the SSH clients are designed to run on without emulation include several possibilities: . Partial indicates that while it works, the client lacks important functionality compared to versions for other OSs but may still be under development.