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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2942 WebKitGTK+ vulnerabilities 17 November 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebKitGTK+ Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-13803 CVE-2017-13802 CVE-2017-13798 CVE-2017-13796 CVE-2017-13795 CVE-2017-13794 CVE-2017-13793 CVE-2017-13792 CVE-2017-13791 CVE-2017-13788 CVE-2017-13785 CVE-2017-13784 CVE-2017-13783 Reference: ESB-2017.2941 ESB-2017.2770 ESB-2017.2768 Original Bulletin: http://www.ubuntu.com/usn/usn-3481-1 - --------------------------BEGIN INCLUDED TEXT-------------------- Ubuntu Security Notice USN-3481-1 16th November, 2017 webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: * Ubuntu 17.10 * Ubuntu 17.04 * Ubuntu 16.04 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 version: Ubuntu 17.10: libwebkit2gtk-4.0-37 2.18.3-0ubuntu0.17.10.1 libjavascriptcoregtk-4.0-18 2.18.3-0ubuntu0.17.10.1 Ubuntu 17.04: libwebkit2gtk-4.0-37 2.18.3-0ubuntu0.17.04.1 libjavascriptcoregtk-4.0-18 2.18.3-0ubuntu0.17.04.1 Ubuntu 16.04 LTS: libwebkit2gtk-4.0-37 2.18.3-0ubuntu0.16.04.1 libjavascriptcoregtk-4.0-18 2.18.3-0ubuntu0.16.04.1 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 CVE-2017-13783, CVE-2017-13784, CVE-2017-13785, CVE-2017-13788, CVE-2017-13791, CVE-2017-13792, CVE-2017-13793, CVE-2017-13794, CVE-2017-13795, CVE-2017-13796, CVE-2017-13798, CVE-2017-13802, CVE-2017-13803 - --------------------------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. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWg5PE4x+lLeg9Ub1AQjP/A//UwjCGBtLhs817rNXRise9pNe9Efvv/8D zF8qdgTjkai6p0HKCtYvQviKB0yxOZunxWImEeQ0JryCewluQgwI2x8EIE27aJmq U6u1g39xFzDERGWxhCgRV5oet5paY2sSTX6Eu3+YnM3s9in8MJ+Tt0e9i//u7Uev au7VLbyV9kkYTXF5puTU74tW/DOU8xcXtlnMGJT2fbNLOVNhe5p5UeKB+49ZNyLd vb8r8n/oSDj3ad0A2mt/jC65mD0lXExNdczqkqXB2e4BSedAq1dzlYXByoJyrhpl tT3MrwGb87d92KFfWJoFleh6dti7bj11QNbVuN4mXWFux9vsZ+y2rHHz2QMtYyk1 bisTBehyLkbOdkiz1k4vKWG8BLLJQMELcLJEATGwZ2te5os/Z4WTv6tRi/YlyPxN Rk5WZ7sjJlOFO49lLcEWjCRxugUmAGMHEMKA2w0FKS2Zbq9TIgiM2pxF0trjBmNz mQVQnzKSAk89PuBT0rOFxA7lhy5FHO0ioEbF5ZLrNdaop8lsAUfE4/HTtAi5I8a6 yU93oO++POQSiBUd6/nB8AiBygWcz90MIE5xPavU8QoDbSFClA57YMAjlJp4enQe dbJ0sp65Q1frrr69eaWRa9nMbEWr0B6P3Sm/KpXFTnMQr6AYOtC0sseZNtTMZw6y D1CyIECtiPk= =PByR -----END PGP SIGNATURE-----