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Ubuntu 14.04 ESM: USN-4705-2 Critical: Sudo Memory Access Risk

Several security issues were fixed in Sudo.. =========================================================================Ubuntu Security Notice USN-4705-2 January 27, 2021 sudo vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: Several security issues were fixed in Sudo. Software Description: - sudo: Provide limited super user privileges to specific users Details: USN-4705-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker could possibly use this issue to obtain unintended access to the administrator account. (CVE-2021-3156) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: sudo 1.8.9p5-1ubuntu1.5+esm6 Ubuntu 12.04 ESM: sudo 1.8.3p1-1ubuntu3.10 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4705-1 CVE-2021-3156 . Ubuntu Security Notice USN-4705-2 January 27, 2021 sudo vulnerability A security issue affects these. security, ========================================================. . Severity: Critical. LinuxSecurity.com Team

Jan 27, 2021 •Critical Ubuntu