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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.0719 Critical: firefox security update 20 March 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: firefox Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Linux variants Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-5428 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2017-0558.html Comment: This advisory references vulnerabilities in products which run on platforms other than Red Hat. It is recommended that administrators running firefox check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2017:0558-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0558.html Issue date: 2017-03-17 CVE Names: CVE-2017-5428 ===================================================================== 1. Summary: An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: Mozilla Firefox is an open source web browser. Security Fix(es): * A flaw was found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2017-5428) Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Chaitin Security Research Lab via Trend Micro's Zero Day Initiative as the original reporters. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1433202 - CVE-2017-5428 Mozilla: integer overflow in createImageBitmap() (MFSA 2017-08) 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: firefox-52.0-5.el7_3.src.rpm x86_64: firefox-52.0-5.el7_3.x86_64.rpm firefox-debuginfo-52.0-5.el7_3.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: firefox-52.0-5.el7_3.i686.rpm firefox-debuginfo-52.0-5.el7_3.i686.rpm Red Hat Enterprise Linux Server (v. 7): Source: firefox-52.0-5.el7_3.src.rpm aarch64: firefox-52.0-5.el7_3.aarch64.rpm firefox-debuginfo-52.0-5.el7_3.aarch64.rpm ppc64: firefox-52.0-5.el7_3.ppc64.rpm firefox-debuginfo-52.0-5.el7_3.ppc64.rpm ppc64le: firefox-52.0-5.el7_3.ppc64le.rpm firefox-debuginfo-52.0-5.el7_3.ppc64le.rpm s390x: firefox-52.0-5.el7_3.s390x.rpm firefox-debuginfo-52.0-5.el7_3.s390x.rpm x86_64: firefox-52.0-5.el7_3.x86_64.rpm firefox-debuginfo-52.0-5.el7_3.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: firefox-52.0-5.el7_3.ppc.rpm firefox-debuginfo-52.0-5.el7_3.ppc.rpm s390x: firefox-52.0-5.el7_3.s390.rpm firefox-debuginfo-52.0-5.el7_3.s390.rpm x86_64: firefox-52.0-5.el7_3.i686.rpm firefox-debuginfo-52.0-5.el7_3.i686.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: firefox-52.0-5.el7_3.src.rpm x86_64: firefox-52.0-5.el7_3.x86_64.rpm firefox-debuginfo-52.0-5.el7_3.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: firefox-52.0-5.el7_3.i686.rpm firefox-debuginfo-52.0-5.el7_3.i686.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2017-5428 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-08 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFYzGGjXlSAg2UNWIIRAiy9AKCpeaKmIcfQkfh/0cfKBmmf75ZYFACfdNsp /cWFCFUcYQADTjlNKWGSlN0= =pZC8 - -----END PGP SIGNATURE----- - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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). 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