Feb 18, 2025Ravie LakshmananVulnerability / Network Security Two security vulnerabilities have been discovered in the OpenSSH secure networking utility suite that, if successfully exploited, could result in an active machine-in-the-middle (MitM) and a denial-of-service (DoS) attack, respectively, under certain conditions. The vulnerabilities, detailed by the Qualys Threat … [Read more...] about New OpenSSH Flaws Enable Man-in-the-Middle and DoS Attacks — Patch Now
OpenSSH
New OpenSSH Vulnerability Exposes Linux Systems to Remote Command Injection
Jul 24, 2023THNLinux / Network Security Details have emerged about a now-patched flaw in OpenSSH that could be potentially exploited to run arbitrary commands remotely on compromised hosts under specific conditions. "This vulnerability allows a remote attacker to potentially execute arbitrary commands on vulnerable OpenSSH's forwarded ssh-agent," Saeed Abbasi, manager of … [Read more...] about New OpenSSH Vulnerability Exposes Linux Systems to Remote Command Injection
OpenSSH Now Encrypts Secret Keys in Memory Against Side-Channel Attacks
In recent years, several groups of cybersecurity researchers have disclosed dozens of memory side-channel vulnerabilities in modern processors and DRAMs, like Rowhammer, RAMBleed, Spectre, and Meltdown.Have you ever noticed they all had at least one thing in common?That's OpenSSH.As a proof-of-concept, many researchers demonstrated their side-channel attacks against OpenSSH … [Read more...] about OpenSSH Now Encrypts Secret Keys in Memory Against Side-Channel Attacks