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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4203 USN-4178-1: WebKitGTK+ vulnerabilities 8 November 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 Resolution: Patch/Upgrade CVE Names: CVE-2019-8771 CVE-2019-8769 CVE-2019-8720 CVE-2019-8625 Reference: ESB-2019.4087 ESB-2019.3760 ESB-2019.3759 Original Bulletin: https://usn.ubuntu.com/4178-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4178-1: WebKitGTK+ vulnerabilities 7 November 2019 webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 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 19.04 libjavascriptcoregtk-4.0-18 - 2.26.1-0ubuntu0.19.04.3 libwebkit2gtk-4.0-37 - 2.26.1-0ubuntu0.19.04.3 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 - 2.26.1-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 - 2.26.1-0ubuntu0.18.04.1 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-2019-8625 o CVE-2019-8720 o CVE-2019-8769 o CVE-2019-8771 - --------------------------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 iQIVAwUBXcSpa2aOgq3Tt24GAQiq+g//VjC3dXpSpk8FkiMRKaxtwzhpeI04fksT WxdB4/QCgRX49zuDU0LYaxf1cMFf0PI55ogZ3nt06a08F6m7pe2v1UbMVPpRdSIN 0IGknVSdBhpUT0zwUKb9M3ACDG73rnU47PNP7gJ/ipzjfyDaeakDNXhSFHPxj0G8 tcjcALOz5F3ys6wsMGeVkmxlvDN0FjaStGjJ1eAQaA5+NFL9v5Fbh2LL7eSJcDMx xKIgmEC+PiGwk62NKm1LcpMiJBykokEQVHUkwCrsyJR4oF3CGw6vNFKIZulTLN24 9yqTInDyA/6jwqBpVrDTeoj3GtA1MKfwtkjrrtyu2vWyJdaM2bGUsD4H3If5oUTe NdYml2jQpsKFKrte1K91VCz2jyNeZ2GbH1a/vON0hT4Vf7e8oXOjJA5OuJaosAzs 45QJuOH1nRW7TUYbWfU5uPvu9hMGr6ZMKZ7DYSZJmptfGqlE3sH1XfwdpqCQmu0Y dz3Q/brPXfTLz6HP3lSsSox2kHKlWDw4Yq1BzuUQpawuGs8RpOZcfeepUobQ51CD l/9/COZjkpvqW0mRWdUAvhaXdadsmkDk5jmVzHzWG3W+rPjRvdD/dnZFdqWvrs7k 85M1KPR3D93rQjYwdot+vysIIXCcyWh4o4emjlI4FHeVARqODFK84vyyMzIDWNxY REmOT2fOD4A= =vsI9 -----END PGP SIGNATURE-----