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Ubuntu 14.04 LTS: USN-2380-1 Severe: Bash Code Execution Risk

Several security issues were fixed in Bash.. =========================================================================Ubuntu Security Notice USN-2380-1 October 09, 2014 bash vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: Several security issues were fixed in Bash. Software Description: - bash: GNU Bourne Again SHell Details: Michal Zalewski discovered that Bash incorrectly handled parsing certain function definitions. If an attacker were able to create an environment variable containing a function definition with a very specific name, these issues could possibly be used to bypass certain environment restrictions and execute arbitrary code. (CVE-2014-6277, CVE-2014-6278) Please note that the previous Bash security update, USN-2364-1, includes a hardening measure that prevents these issues from being used in a Shellshock attack. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: bash 4.3-7ubuntu1.5 Ubuntu 12.04 LTS: bash 4.2-2ubuntu2.6 Ubuntu 10.04 LTS: bash 4.1-2ubuntu3.5 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-2380-1 CVE-2014-6277, CVE-2014-6278 Package Information: https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.5 https://launchpad.net/ubuntu/+source/bash/4.2-2ubuntu2.6 https://launchpad.net/ubuntu/+source/bash/4.1-2ubuntu3.5 . A series of vulnerabilities in Bash addressed in recent Ubuntu updates affecting several iterations, posing risks for arbitrary code execution.. bash Security Issues, Ubuntu Vulnerability, Linux Bash Update, Code Execution, Environment Handling. . Severity: Critical.LinuxSecurity.com Team

Oct 09, 2014 •Critical Ubuntu