Loading a passphrase-protected private SSH key from a file with the cryptography Python module

I am trying to load a passphrase-protected private SSH key from a file using the cryptography Python module. However, I’m not exactly sure how to proceed. The following yields a Crypto.Util.Padding.PaddingError: Padding is incorrect. error… Continue reading Loading a passphrase-protected private SSH key from a file with the cryptography Python module

36-Year-Old SCP Clients’ Implementation Flaws Discovered

A set of 36-year-old vulnerabilities has been uncovered in the Secure Copy Protocol (SCP) implementation of many client applications that can be exploited by malicious servers to overwrite arbitrary files in the SCP client target directory unauthorized… Continue reading 36-Year-Old SCP Clients’ Implementation Flaws Discovered

Everything You Need to Know About Windows – December 2018 Edition


December is usually a quiet month at Microsoft, but this year there have been several newsworthy events, including Microsoft’s plans to drop the EdgeHTML rendering engine and a new virtualization feature called Windows Sandbox.

The post Everything You Need to Know About Windows – December 2018 Edition appeared first on Petri.

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Old and new OpenSSH backdoors threaten Linux servers

OpenSSH, a suite of networking software that allows secure communications over an unsecured network, is the most common tool for system administrators to manage rented Linux servers. And given that over one-third of public-facing internet servers run L… Continue reading Old and new OpenSSH backdoors threaten Linux servers

Possible to get sshd (openssh) to log the public key of failed key based login attempts?

As I understand sshd (openssh in my case) typically does/may log the fingerprint/hash of the public key of incoming connections which are attempting to authenticate via key.

What I’m looking for is the full public key of inc… Continue reading Possible to get sshd (openssh) to log the public key of failed key based login attempts?

LibSSH Flaw Allows Hackers to Take Over Servers Without Password

A four-year-old severe vulnerability has been discovered in the Secure Shell (SSH) implementation library known as Libssh that could allow anyone to completely bypass authentication and gain unfettered administrative control over a vulnerable server wi… Continue reading LibSSH Flaw Allows Hackers to Take Over Servers Without Password

Could a running SSH server somehow fool connected SSH client to create a reverse port forward?

Let’s be extra paranoid and assume that the SSH server my client is connected to, was “enhanced” so that every SSH client that establishes an connection with it, will be tricked into thinking that it wants to create reverse p… Continue reading Could a running SSH server somehow fool connected SSH client to create a reverse port forward?