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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 ...
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 ...
The researchers who discovered the attack have also created a vulnerability scanner to determine whether an SSH server or client is vulnerable. [8] The attack has been given the CVE ID CVE-2023-48795. [9] [3] In addition to the main attack, two other vulnerabilities were found in AsyncSSH, and assigned the CVE IDs CVE-2023-46445 and CVE-2023 ...
On 19 October 2015, Microsoft announced that OpenSSH will be natively supported on Microsoft Windows and accessible through PowerShell, releasing an early implementation and making the code publicly available. [20] OpenSSH-based client and server programs have been included in Windows 10 since version 1803. The SSH client and key agent are ...
ssh-keygen is a standard component of the Secure Shell (SSH) protocol suite found on Unix, Unix-like and Microsoft Windows computer systems used to establish secure shell sessions between remote computers over insecure networks, through the use of various cryptographic techniques. The ssh-keygen utility is used to generate, manage, and convert ...
Windows 10 version 1903 and 1909, and Server Core installations of Windows Server, versions 1903 and 1909 [5] SMBGhost (or SMBleedingGhost or CoronaBlue ) is a type of security vulnerability , with wormlike features, that affects Windows 10 computers and was first reported publicly on 10 March 2020.
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]