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Ubuntu: 6851-1 High Severity: Netplan Command Injection Risk

Netplan could reveal secrets or execute commands with specially crafted configuration file.. ========================================================================== Ubuntu Security Notice USN-6851-1 June 26, 2024 netplan.io vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Netplan could reveal secrets or execute commands with specially crafted configuration file. Software Description: - netplan.io: Declarative network configuration for various backends Details: Andreas Hasenack discovered that netplan incorrectly handled the permissions for netdev files containing wireguard configuration. An attacker could use this to obtain wireguard secret keys. It was discovered that netplan configuration could be manipulated into injecting arbitrary commands while setting up network interfaces. An attacker could use this to execute arbitrary commands or escalate privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS libnetplan1 1.0-2ubuntu1.1 netplan-generator 1.0-2ubuntu1.1 netplan.io 1.0-2ubuntu1.1 Ubuntu 23.10 libnetplan0 0.107-5ubuntu0.3 netplan-generator 0.107-5ubuntu0.3 netplan.io 0.107-5ubuntu0.3 Ubuntu 22.04 LTS libnetplan0 0.106.1-7ubuntu0.22.04.3 netplan.io 0.106.1-7ubuntu0.22.04.3 Ubuntu 20.04 LTS libnetplan0 0.104-0ubuntu2~20.04.5 netplan.io 0.104-0ubuntu2~20.04.5 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6851-1 CVE-2022-4968, https://bugs.launchpad.net/netplan/+bug/1987842,https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/2065738, Package Information: https://launchpad.net/ubuntu/+source/netplan.io/1.0-2ubuntu1.1 https://launchpad.net/ubuntu/+source/netplan.io/0.107-5ubuntu0.3 https://launchpad.net/ubuntu/+source/netplan.io/0.106.1-7ubuntu0.22.04.3 https://launchpad.net/ubuntu/+source/netplan.io/0.104-0ubuntu2~20.04.5 . Uncover the Ubuntu 6851-1 announcement concerning netplan.io weaknesses and measures to prevent command execution vulnerabilities.. Netplan Security Advisory, Ubuntu Security Update, Network Configuration Vulnerability. . LinuxSecurity.com Team

Jun 26, 2024 Ubuntu