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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.
[b] [4] The backdoor gives an attacker who possesses a specific Ed448 private key remote code execution through OpenSSH on the affected Linux system. The issue has been given the Common Vulnerabilities and Exposures number CVE-2024-3094 and has been assigned a CVSS score of 10.0, the highest possible score. [5]
Vulnerability scanners should be able to detect the risks in open-source dependencies. However, since developers will usually re-bundle the OSS, the same code will appear in different dependencies, which will then impact the performance and ability of scanners to detect the vulnerable OSS. [2]
Nessus Vulnerability Scanner; ... In 1998 Renaud Deraison created The Nessus Project as a free remote security scanner. [2] ... Nessus 2.2.11 files and source code;
Analysis of the source code history of Bash shows the bug was introduced on 5 August 1989, and released in Bash version 1.03 on 1 September 1989. [ 14 ] [ 15 ] [ 16 ] Shellshock is an arbitrary code execution vulnerability that offers a way for users of a system to execute commands that should be unavailable to them.
Nikto is a free software command-line vulnerability scanner that scans web servers for dangerous files or CGIs, outdated server software and other problems. It performs generic and server type specific checks. It also captures and prints any cookies received. The Nikto code itself is free software, but the data files it uses to drive the ...
Although source code is available for the original SSH, various restrictions are imposed on its use and distribution. OpenSSH was created as a fork of Björn Grönvall's OSSH that itself was a fork of Tatu Ylönen's original free SSH 1.2.12 release, [13] which was the last one having a license suitable for forking.
The designers of SSH have implemented a fix for the Terrapin attack, but the fix is only fully effective when both client and server implementations have been upgraded to support it. [1] The researchers who discovered the attack have also created a vulnerability scanner to determine whether an SSH server or client is vulnerable. [8]