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Ubuntu 4048-1: Critical Docker Risk From Directory Traversal

Docker could be made to overwrite files as the administrator.. =========================================================================Ubuntu Security Notice USN-4048-1 July 08, 2019 Docker vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Docker could be made to overwrite files as the administrator. Software Description: - docker.io: Linux container runtime Details: Aleksa Sarai discovered that Docker was vulnerable to a directory traversal attack. An attacker could use this vulnerability to read and write arbitrary files on the host filesystem as root. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: docker.io 18.09.7-0ubuntu1~19.04.4 Ubuntu 18.10: docker.io 18.09.7-0ubuntu1~18.10.3 Ubuntu 18.04 LTS: docker.io 18.09.7-0ubuntu1~18.04.3 Ubuntu 16.04 LTS: docker.io 18.09.7-0ubuntu1~16.04.4 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4048-1 CVE-2018-15664, CVE-2019-5736 Package Information: https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~19.04.4 https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~18.10.3 https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~18.04.3 https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~16.04.4 . Make sure your Ubuntu installations are securely updated to fix vulnerabilities in Docker that may let malicious users overwrite files. Take action to protect your system. Docker Vulnerabilities, Ubuntu Security Update, Directory Traversal Risk. .Severity: Critical. LinuxSecurity.com Team

Jul 08, 2019 •Critical Ubuntu