Tag: OpenSSH
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New Remote Code Execution Vulnerability in OpenSSH: Risks and Mitigations
exposed setups. Haemm0r highlighted a significant misconception in security configurations, noting that attacks of this kind still require either specific login names or relaxed root login protocols. A good practice here is to ensure your SSH is not exposed directly to the internet or that only trusted IPs have access to SSH protocols. Tools like…
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RegreSSHion: Neue Verwundbarkeit stellt OpenSSH Sicherheit in Frage
In der heutigen technologischen Landschaft, in der Cybersecurity von größter Bedeutung ist, wurde kürzlich eine kritische Verwundbarkeit im OpenSSH-Server entdeckt. Diese Verwundbarkeit, benannt als “RegreSSHion”, kann potenziell zu einer Remote Code Execution (RCE) auf glibc-basierten Linux-Systemen führen. Die Sicherheitslücke wurde von Qualys aufgedeckt und als CVE-2024-6387 katalogisiert. In den folgenden Absätzen werfen wir einen detaillierten…
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OpenSSH Introduces Options to Penalize Undesirable Behavior: A New Era in Secure Connections
In a significant stride toward enhancing security, OpenSSH has introduced options to penalize undesirable behavior from clients. This marks an evolution in how SSH connections are managed, promising integrated mechanisms to address brute force and other malicious attacks. On the surface, this seems like an intuitive and beneficial enhancement, effectively discouraging frequent failed authentication attempts…
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Mitigando Comportamentos Indesejados: OpenSSH Lança Novas Opções de Penalidade
Recentemente, o OpenSSH introduziu uma nova funcionalidade que permite penalizar comportamentos indesejados, tais como múltiplas tentativas de login mal sucedidas. A proposta desta funcionalidade é melhorar a segurança intrÃnseca do serviço SSH, adicionando camadas adicionais de proteção contra ataques de força bruta e outras práticas maliciosas. Implementações comuns de segurança, como o uso do `MaxAuthTries`…
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Unraveling the XZ Backdoor: A Stark Reminder of Remote Code Execution Risks
Recent events have brought to light the stark realities of software security, particularly concerning open-source tools that form the backbone of countless infrastructure systems worldwide. The case in point involves an alarming discovery within XZ, a popular compression utility. It was revealed that a backdoor had been ingeniously inserted in a manner that could facilitate…