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Ubuntu 18.04 and 18.10: USN-3948-1 Critical WebKitGTK+ Exploit

Several security issues were fixed in WebKitGTK+.. =========================================================================Ubuntu Security Notice USN-3948-1 April 16, 2019 webkit2gtk vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 - Ubuntu 18.04 LTS Summary: Several security issues were fixed in WebKitGTK+. Software Description: - webkit2gtk: Web content engine library for GTK+ Details: A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: libjavascriptcoregtk-4.0-18 2.24.1-0ubuntu0.18.10.2 libwebkit2gtk-4.0-37 2.24.1-0ubuntu0.18.10.2 Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.24.1-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.24.1-0ubuntu0.18.04.1 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any applications that use WebKitGTK+, such as Epiphany, to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-3948-1 CVE-2019-11070, CVE-2019-6251, CVE-2019-8375, CVE-2019-8506, CVE-2019-8518, CVE-2019-8523, CVE-2019-8524, CVE-2019-8535, CVE-2019-8536, CVE-2019-8544, CVE-2019-8551, CVE-2019-8558, CVE-2019-8559, CVE-2019-8563 Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.24.1-0ubuntu0.18.10.2 https://launchpad.net/ubuntu/+source/webkit2gtk/2.24.1-0ubuntu0.18.04.1 . Important vulnerabilities were addressed in WebKitGTK+ for Ubuntu versions18.10 and 18.04 LTS. Ensure your systems are secure!. WebKitGTK+, Remote Exploit, Security Fix, Ubuntu Updates. . Severity: Critical. LinuxSecurity.com Team

Apr 16, 2019 •Critical Ubuntu