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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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Explore Latest Linux Security advisories

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172

Ubuntu 24.04 LTS Security Notice USN-7051-1: Medium Risk AsyncSSH Issue

A protocol flaw was fixed in AsyncSSH.. ========================================================================== Ubuntu Security Notice USN-7051-1 October 02, 2024 python-asyncssh vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: A protocol flaw was fixed in AsyncSSH. Software Description: - python-asyncssh: asyncio-based client and server implementation of SSHv2 protocol Details: Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being downgraded. This issue is known as the Terrapin attack. This update adds protocol extensions to mitigate this issue. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS python3-asyncssh 2.10.1-2ubuntu0.1 Ubuntu 22.04 LTS python3-asyncssh 2.5.0-1ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS python3-asyncssh 1.12.2-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7051-1 CVE-2023-48795 Package Information: . An issue related to a protocol vulnerability in python-asyncssh has been rectified in Ubuntu versions 24.04, 22.04, and 20.04 LTS. Discover details regarding the recent security modification.. protocol flaw, asyncssh, ubuntu, security update, SSH communications. . Severity: Medium. LinuxSecurity.com Team

Calendar 2 Oct 02, 2024 Medium Ubuntu
197

Debian 11: DLA-3899-1 critical: AsyncSSH attacks mitigated

AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python 3.4+ asyncio framework. It has been discovered that it is vulnerable to . ------------------------------------------------------------------------- Debian LTS Advisory DLA-3899-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Daniel Leidert September 27, 2024 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : python-asyncssh Version : 2.5.0-0.1+deb11u1 CVE ID : CVE-2023-46445 CVE-2023-46446 CVE-2023-48795 Debian Bug : 1055999 1056000 1059007 AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python 3.4+ asyncio framework. It has been discovered that it is vulnerable to CVE-2023-46445 A vulnerability has been discovered that allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack (aka Rogue Extension Negotiation). CVE-2023-46446 A vulnerability has been discovered that allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation (aka Rogue Session attack). CVE-2023-48795 A vulnerability has been discovered allows remote attackers to bypass integrity checks, and a client and server may consequently end up with a connection for which some security features have been downgraded or disabled (aka Terrapin attack). For Debian 11 bullseye, these problems have been fixed in version 2.5.0-0.1+deb11u1. We recommend that you upgrade your python-asyncssh packages. For the detailed security status of python-asyncssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/python-asyncssh Further information aboutDebian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Ubuntu Security Notice USN-4520-1 addresses vulnerabilities in OpenSSH, improving the overall safety of SSH services.. asyncssh security, debian security advisory, python package, ssh vulnerabilities. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Sep 27, 2024 Critical Debian LTS
87

Debian Bookworm DSA-5750-1 Critical: AsyncSSH Terrapin Attack Fix

Support for the "strict kex" SSH extension has been backported to AsyncSSH (a Python implementation of the SSHv2 protocol) as hardening against the Terrapin attack. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5750-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff August 18, 2024 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : python-asyncssh CVE ID : CVE-2023-48795 Support for the "strict kex" SSH extension has been backported to AsyncSSH (a Python implementation of the SSHv2 protocol) as hardening against the Terrapin attack. For the stable distribution (bookworm), this problem has been fixed in version 2.10.1-2+deb12u1. We recommend that you upgrade your python-asyncssh packages. For the detailed security status of python-asyncssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/python-asyncssh Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . The new "secure kex" SSH feature boosts python-asyncssh's defense against vulnerabilities like the Gecko breach. Update advised.. Debian Security Advisory, AsyncSSH Update, SSH Hardening Techniques. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Aug 18, 2024 Critical Debian
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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