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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0110 WebKitGTK+ vulnerabilities 11 January 2019 =========================================================================== 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-2018-4437 Reference: ESB-2018.3878 ESB-2018.3795 ESB-2018.3771 Original Bulletin: http://www.ubuntu.com/usn/usn-3854-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3854-1 January 10, 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 2.22.5-0ubuntu0.18.10.1 libwebkit2gtk-4.0-37 2.22.5-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.22.5-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.22.5-0ubuntu0.18.04.1 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://usn.ubuntu.com/usn/usn-3854-1 CVE-2018-4437 Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.22.5-0ubuntu0.18.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.22.5-0ubuntu0.18.04.1 - --------------------------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 iQIVAwUBXDgWdWaOgq3Tt24GAQg9KBAAv4YMEsyY26Y6rCJOCBFUUCzuvs+DwORV Gzvr4n8r27gqX0ynBqcvfN3gn+Ow6HtBz0ycHoIp3BYa32XAhtNsZNgz7dfR+jcL MRfOQv02t1IjcQCQKOEy2otREyNsDecm1JxeTTCOMky8VDD0hPMDXMK9CEooRbqh V0qYlgwiWvhWcpM8Om7oepY/WAVIob1k29A+/OHPeS2R/t/3uZA6z9D31p31/M32 ZdR0ibXHjkGv6mJ7Z8n0eTGNITLQau8yfDgwNi6hMqDEr0IVyZ0gk99pR4gb2QYl rLbNFVyAjKksxhUZnadiQycnD9hxiR3DsJrgsmkGNbjSFlZS3A7WMv4IQf+UwIP5 Sz2qEHxl7myOQwr43V07VDmGaKvrFdITFx2aWsAfSxcTUpNRElqJE1arGK+IeMdC 2tG+PR8tf8uUjAP1xPgnRJIRg+TKocff7lVHaH1nJCXR3xKTIJaXBSmUgaZyTwFz m7mgLOrmpx2MihVEY6tKWkttYleF9jQWFZpqVHRR3oE7Gks42D3/0IXPLZyS0+u1 i1PIhJXr0K9p0554CWHDdrGVg/yfl8aFVGxNi56tvozVwIoTJiTHhiBA2UjjsDFB yXmKnRZjvj/eYBfFeCH9AIVQ+GASNKJE1+1pvs3h8t7Z8HlWfuAYtpZSDzdvry+6 FNHUAqW+CnU= =AGws -----END PGP SIGNATURE-----