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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1320 USN-3948-1: WebKitGTK+ vulnerabilities 17 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebKitGTK+ Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Cross-site Scripting -- Remote with User Interaction Denial of Service -- Remote with User Interaction Provide Misleading Information -- Remote with User Interaction Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-11070 CVE-2019-8563 CVE-2019-8559 CVE-2019-8558 CVE-2019-8551 CVE-2019-8544 CVE-2019-8536 CVE-2019-8535 CVE-2019-8524 CVE-2019-8523 CVE-2019-8518 CVE-2019-8506 CVE-2019-8375 CVE-2019-6251 Reference: ESB-2019.1280 ESB-2019.1164 ESB-2019.0991 ESB-2019.0988 Original Bulletin: https://usn.ubuntu.com/3948-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3948-1: WebKitGTK+ vulnerabilities 16 April 2019 webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 18.10 o Ubuntu 18.04 LTS Summary Several security issues were fixed in WebKitGTK+. Software Description o 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 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . 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 o CVE-2019-11070 o CVE-2019-6251 o CVE-2019-8375 o CVE-2019-8506 o CVE-2019-8518 o CVE-2019-8523 o CVE-2019-8524 o CVE-2019-8535 o CVE-2019-8536 o CVE-2019-8544 o CVE-2019-8551 o CVE-2019-8558 o CVE-2019-8559 o CVE-2019-8563 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXLZ9vWaOgq3Tt24GAQjXmRAAzCqDmif8Q+vXyKjmlL0MHlHWX+rzughg tj/CUT5JkXJxm4EvC16cGSG33IYjS1NeE83F0PkqktG01ZWwZbBmDLBRqtXhQONm GTtYx1FD3rC2FB8fZwvVE9eJSR+89f6qPqxDUEiVoiapbdIyY0hdmuOP66+5ks+8 1zOhU+Coj/PQ7Fsp85uaiG5fuPF98le2rrQLmfnzmF2RYG3uwsuYwJ72P2iN+10X /QDZiTt6PZ03n4kk4B9A98tNiLSp3mIH6PfjTVeTkSXhG/B4NcTBRuXJSRCTSO6l 6F8qHJcUvdVH3TjSkn+8XxFAbKOSSrRWDkvqnSu0cxaB1dqM3Wzm0ALri8sPUnaD 2ZP5qYidtTfFrP2PK2o96vkMY3tQEz8YM7FS2XI65qQOu1mqMHti/mCACcRfLu9l dOt088dwXYkQS6TvbF5djoe+VnTIcMyHfLbzVXt+hmaXOMyjEQOdjLhoLyza+Ngh eghjvn3T60dgsDV7ssb+82belHMzF44vjwHXFMhj0aOqyQ4JRhWDtTlWRKVj3Tf2 GBTOzzkxb7NAiBhj0qGdoRH66MCrC+0yz65SUlI4TDcCg2jyoYgIUKBAkSz8V2wo sUoNbDI7Re26rHuPUClclkq3oPpJpAgrGzf/HcNHWsvMJ9qrRhK9ueW3NH9nuPGk osdgEzKQzJc= =ZnhA -----END PGP SIGNATURE-----