If you are a systems administrator of one or more Linux/UNIX systems, OpenSSH is likely one of the most important tools in your toolbox. OpenSSH can be used interactively or embedded in scripts to ...

In this blog post, we provide an in-depth analysis of Linux/Ebury - the most sophisticated Linux backdoor ever seen by our researchers. It is built to steal OpenSSH credentials and maintain access to ...

Topic ===== Possible to determine password length Problem description ===== Weaknesses in the SSH protocols can be used by a passive attacker to deduce information about passwords entered over an ...

Topic ===== remote root exploit in ssh daemon Problem Description ===== There are two related vulnerabilities in the challenge response handling code in OpenSSH versions 2.3.1p1 through 3.3. They may ...

There was a version of SSH available at the time, put out by a Finnish developer named Tatu Ylonen, but the licensing terms were rather restrictive. "It was initially a kind of permissive licence ...