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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3338 USN-5107-1: Firefox vulnerabilities 8 October 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Firefox Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Provide Misleading Information -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-38501 CVE-2021-38500 CVE-2021-38499 CVE-2021-38498 CVE-2021-38497 CVE-2021-38496 CVE-2021-32810 Reference: ESB-2021.3298 ESB-2021.3297 Original Bulletin: https://ubuntu.com/security/notices/USN-5107-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5107-1: Firefox vulnerabilities 07 October 2021 Firefox could be made to crash or run programs as your login if it opened a malicious website. Releases o Ubuntu 21.04 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o firefox - Mozilla Open Source web browser Details Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof another origin, or execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04 o firefox - 93.0+build1-0ubuntu0.21.04.1 Ubuntu 20.04 o firefox - 93.0+build1-0ubuntu0.20.04.1 Ubuntu 18.04 o firefox - 93.0+build1-0ubuntu0.18.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References o CVE-2021-38497 o CVE-2021-32810 o CVE-2021-38501 o CVE-2021-38499 o CVE-2021-38496 o CVE-2021-38498 o CVE-2021-38500 - --------------------------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 iQIVAwUBYV+Wi+NLKJtyKPYoAQjk+xAAkkTmbpwlMwJiVlvdHmP0l6awzoyGkLHX PyNOJbTQwCF12NOp1qjzr6sjfulTHIX6CQTI8cbeTtgqBjfz+8MNyi87OFXoJJT/ kMRSB8WlAt/6MqHBNG5Kh1EPUU2lyr2FyYqrrm/bOhYf6bvRUbciujFjLUQuZLWt ISXSJ9ZHZ85LeT1+CM49wETZw5lu5hkpXIrlRycIwF5H/p3TvjiWHqNT2JgCGM6I ovY7Iq1V2sy1h+LNq1Pcesj9yFjzfxrkJCh+FU8HMXKtKPA7X/2wN9yQ/kw/jlFi EC4+iyg+3LZhNGQ9O3d2CYn1copq1wX2Pt0i0EOW5Ek6qb5SQU3OAYzGWk4hDMKs Fqe4O7//gryZa4DbXhen5UTPhJvG3AUudgCzaXk8jB8tP5rZSskpFS9R0Tk+5TN3 oCzXYZHDV8IBwfW+iDTjQLwc1x/fJcQjPe+J2fgwVcr/eXGvQ561GxdnRojbVy3P tC4Z2nO91DN5K3m1X7g+w3LirJkM79v9Lsed3U8P6p6BdQSv6QOGU/v0bDqL1jzT 7vDa1uCxsNazG1FQ9sIOTlYDDkkyuPFfoYY5I8xizX5idvrFQQnaKA/6LbnMsmAb cpym+ThrQUH1PKiS7588WwnW6V0lH0hpWdcWjvGVC+umtlBoWGHA8cLC/uvyQQuo bTU92UY1qfo= =jmm7 -----END PGP SIGNATURE-----