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Ubuntu 16.04 LTS: 4058-1 Critical: Bash Execution Escape Issue

A system hardening measure could be bypassed.. =========================================================================Ubuntu Security Notice USN-4058-1 July 15, 2019 bash vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS Summary: A system hardening measure could be bypassed. Software Description: - bash: GNU Bourne Again SHell Details: It was discovered that Bash incorrectly handled the restricted shell. An attacker could possibly use this issue to escape restrictions and execute any command. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: bash 4.3-14ubuntu1.4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4058-1 CVE-2019-9924 Package Information: https://launchpad.net/ubuntu/+source/bash/4.3-14ubuntu1.4 . Mitigating the Bash security flaw on Ubuntu 16.04 LTS to avert potential command execution risks.. Bash Vulnerability, Ubuntu 16.04, System Hardening, Security Advisory. . Severity: Critical. LinuxSecurity.com Team

Jul 15, 2019 •Critical Ubuntu