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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2274 USN-4032-1: Firefox vulnerability 25 June 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Firefox Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-11708 Reference: ESB-2019.2250 ESB-2019.2245 Original Bulletin: https://usn.ubuntu.com/4032-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4032-1: Firefox vulnerability 24 June 2019 firefox vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary A sandbox escape was discovered in Firefox. Software Description o firefox - Mozilla Open Source web browser Details It was discovered that a sandboxed child process could open arbitrary web content in the parent process via the Prompt:Open IPC message. When combined with another vulnerability, an attacker could potentially exploit this to execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 firefox - 67.0.4+build1-0ubuntu0.19.04.1 Ubuntu 18.10 firefox - 67.0.4+build1-0ubuntu0.18.10.1 Ubuntu 18.04 LTS firefox - 67.0.4+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS firefox - 67.0.4+build1-0ubuntu0.16.04.1 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to restart Firefox to make all the necessary changes. References o CVE-2019-11708 - --------------------------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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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 iQIVAwUBXRFkD2aOgq3Tt24GAQhVGA/+OJP7bSLMwKjIgtPyDKElHQDayanLWnje IiXMXN8aSnNqhGKvMwwegMZBduML50PW0EWST82b2CjP4pvoWekdFHpBLV4WLBXv YrGOM9F/qi+RsffEKDMj78vrGZUtJDx48HE2IR17r2vVTTq903LsqScP741pUkNj Blgzw4ZmZEuBwMgZuX32XQBbr0Gk6qv13R/Vx6hLyaiS3AiHISI9pxV6+v2W9aDu mvMGRMYIaqZQWjYQjEC6BzXLZmKrNFywWTPLMwprlPlrDP49qk8xIGJ3DJSopiqy FnOqnFD6l8m+C6soM6MDexL+ylgQmz2pbkwCwIhHyPAOz9JvDkVD6CWDahA65eJA pa6X65F5d2CBohlIjA++OdC4jNs18le5U7HCOGtD8Zsxh0L1SxLNyboipwljvz2o RWm/2G/v1rDApRaqmSwY+wsclU2MCzujTpFdkrz7GvJxWIy51baz0X5DkEYeY4MU Yta8Zb19txTKnUJPPs3fhqfgeA/Co6Ymadsq5PmG/HpRIRimkvLjQ838HzA6uPYO cO7ImqcnQdFtpMmoVpNsgoiorvnJ3mpmcoMo6fbP7UJF0MjkGkURU1klNJ2PDTHk JSHmG3i3E9p7ZKySAzkewlqrPiBT4635eGFeshR0wH+VEcZ+/ZrtlfZATs+ZXTsg BTPVObven9E= =xeYU -----END PGP SIGNATURE-----