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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1405 WebKitGTK+ vulnerability 9 May 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: webkit2gtk 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-2018-4200 Reference: ESB-2018.1398 Original Bulletin: http://www.ubuntu.com/usn/usn-3640-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3640-1 May 08, 2018 webkit2gtk vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.04 LTS - - Ubuntu 17.10 - - Ubuntu 16.04 LTS Summary: A security issue was fixed in WebKitGTK+. Software Description: - - webkit2gtk: Web content engine library for GTK+ Details: Ivan Fratric discovered that WebKitGTK+ incorrectly handled certain web content. If a user were tricked into viewing a malicious website, a remote attacker could possibly exploit this to execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.20.2-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.20.2-0ubuntu0.18.04.1 Ubuntu 17.10: libjavascriptcoregtk-4.0-18 2.20.2-0ubuntu0.17.10.1 libwebkit2gtk-4.0-37 2.20.2-0ubuntu0.17.10.1 Ubuntu 16.04 LTS: libjavascriptcoregtk-4.0-18 2.20.2-0ubuntu0.16.04.1 libwebkit2gtk-4.0-37 2.20.2-0ubuntu0.16.04.1 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://usn.ubuntu.com/usn/usn-3640-1 CVE-2018-4200 Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.20.2-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.20.2-0ubuntu0.17.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.20.2-0ubuntu0.16.04.1 - --------------------------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. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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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 iQIVAwUBWvJuo4x+lLeg9Ub1AQh/HBAAmy1KYEI0ev0wmyFFrKz1FctaW3AbN7z7 3fuR8ZlaqUCpBXxnMIVRag5C4AP6FFl3p+TAZvapUNtb9vWCOtzUJflpR8e7kU5I 5vvjiG5DQwr0677PGYKlmBY1dePh6t7i/rnIUuehTNU+je1P6Q4eY//W6N5WGV7L pirMAR+kwRwnNuB3cENaviLx5ZdyZDACcy9z4Thodt7ejHe4686fNty+VhJJTwrD mMct1T+ei7lXaoxUKKoMZ96rGBMt3DmgpxvpJ0Pe6xX+Qbhuh+FJKys8o4h6FCI6 TAJY8qvLX3U1o6YEsdQwouX0pKtez49ZTDA253HgTciHfPDae4fOlUgND/2LrmDX CFqL1H+boxBGcdxeUNhxnViab+k1mLDQrOelC0dbwPjVb43EwbnLKO9QE7oXgVUL vpAk+ucvfeugHAJ3WMHj0qAwOHTYQn4qhTtV89XaOBtJAAGY0ZDzCktmIsW9jL2k GOSMlSZa4x9O6UYFKJMkEgdEv0VKd84pCpYx0hEZfHFB928xUIG12F6eql8sjtFe +rdhYRSgN/lSceST62TIsonpTukwhvY30ki0oTgxuvUJ5CXv5t5nsv28qRpLHb2I PbwrPWMZl/VlPwrWAJZJfCKElRHs78nkzRbuudimlCDmBmxRC0R7Y6dP4GQXGg44 VvZL74Mnzlg= =gjaM -----END PGP SIGNATURE-----