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Ubuntu 16.04 ESM: USN-5811-2 Moderate: Sudo File Edit Threat Analysis

Sudo could be made to possibly edit arbitrary files if it received a specially crafted input.. =========================================================================Ubuntu Security Notice USN-5811-2 January 18, 2023 sudo vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM Summary: Sudo could be made to possibly edit arbitrary files if it received a specially crafted input. Software Description: - sudo: Provide limited super user privileges to specific users Details: USN-5811-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly handled user-specified editors when using the sudoedit command. A local attacker that has permission to use the sudoedit command could possibly use this issue to edit arbitrary files. (CVE-2023-22809) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: sudo 1.8.16-0ubuntu1.10+esm1 sudo-ldap 1.8.16-0ubuntu1.10+esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5811-2 https://ubuntu.com/security/notices/USN-5811-1 CVE-2023-22809 . Ubuntu Security Notice USN-5820-3 pertains to a potential flaw in the sudo utility that might enable unauthorized file modifications through specially designed inputs.. Ubuntu Security Notice,Sudo Advisory,Arbitrary Input,Security Patch. . LinuxSecurity.com Team

Jan 18, 2023 Ubuntu