Bash allowed bypassing environment restrictions in certain environments.. =========================================================================Ubuntu Security Notice USN-2363-2 September 26, 2014 bash vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS Summary: Bash allowed bypassing environment restrictions in certain environments. Software Description: - bash: GNU Bourne Again SHell Details: USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS package. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that the security fix for Bash included in USN-2362-1 was incomplete. An attacker could use this issue to bypass certain environment restrictions. (CVE-2014-7169) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: bash 4.3-7ubuntu1.3 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-2363-2 https://ubuntu.com/security/notices/USN-2363-1 CVE-2014-7169 Package Information: https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.3 . Debian Security Advisory DSA-4841-1 tackles a significant Bash vulnerability that enables circumventing environmental limitations.. Bash Vulnerability, Environment Restrictions, Security Update, Ubuntu Security Notice. . Severity: Critical. LinuxSecurity.com Team
Bash allowed bypassing environment restrictions in certain environments.. =========================================================================Ubuntu Security Notice USN-2362-1 September 24, 2014 bash vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: Bash allowed bypassing environment restrictions in certain environments. Software Description: - bash: GNU Bourne Again SHell Details: Stephane Chazelas discovered that Bash incorrectly handled trailing code in function definitions. An attacker could use this issue to bypass environment restrictions, such as SSH forced command environments. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 LTS: bash 4.3-7ubuntu1.1 Ubuntu 12.04 LTS: bash 4.2-2ubuntu2.2 Ubuntu 10.04 LTS: bash 4.1-2ubuntu3.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-2362-1 CVE-2014-6271 Package Information: https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.1 https://launchpad.net/ubuntu/+source/bash/4.2-2ubuntu2.2 https://launchpad.net/ubuntu/+source/bash/4.1-2ubuntu3.1 . Shell exploit in Debian 7, 6, and 5 releases permits evasion of environment limitations.. Bash Exploit, Ubuntu Security Notice, Environment Vulnerability. . Severity: Important. LinuxSecurity.com Team
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