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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1509 Apache Tomcat fixes insecure CORS filter defaults 17 May 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Apache Tomcat Publisher: Apache Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-8014 Original Bulletin: http://mail-archives.apache.org/mod_mbox/tomcat-announce/201805.mbox/%3ccb3c84a5-b3e7-2bfa-ba56-b97ecd934634@apache.org%3e http://tomcat.apache.org/security-9.html http://tomcat.apache.org/security-8.html http://tomcat.apache.org/security-7.html - --------------------------BEGIN INCLUDED TEXT-------------------- CVE-2018-8014 Insecure defaults for CORS filter Severity: Low Vendor: The Apache Software Foundation Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.8 Apache Tomcat 8.5.0 to 8.5.31 Apache Tomcat 8.0.0.RC1 to 8.0.52 Apache Tomcat 7.0.41 to 7.0.88 Description: The defaults settings for the CORS filter are insecure and enable 'supportsCredentials' for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default configuration. Therefore, it is expected that most users will not be impacted by this issue. Mitigation: Users of the affected versions should apply one of the following mitigations. - - Configure the filter appropriately for your environment Secure defaults will be provided in the following versions: - - Apache Tomcat 9.0.9 or later when released - - Apache Tomcat 8.5.32 or later when released - - Apache Tomcat 8.0.53 or later when released - - Apache Tomcat 7.0.89 or later when released History: 2018-05-15 Original advisory References: [1] http://tomcat.apache.org/security-9.html [2] http://tomcat.apache.org/security-8.html [3] http://tomcat.apache.org/security-7.html - --------------------------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 iQIVAwUBWvzVKIx+lLeg9Ub1AQiTNA//ckRQ4jQe65IvkcpXDWRZ6BA2g+bX7AaH jlnXLVhANkVPdaPi3fKOHtLg0HLq2bkeskcTusi75cWPTPVZH2Zxafj0hBtpkgJ7 1BlPkAudHwwcwQ5OydBvnixFy+M0qKx2RdNG1pEIxL3m0qC40Zz2RTROWkh8VHM+ XJuE6Oc3kh7T4BsouxGP0/mR/0oTbcw2uhayfzz5tWp/CiWyfR9UIbmlHZTvL+oS 9IyHMI+YZekStlzeuvSxsniwX+DhbRFvl6dXZeucDKzyIZez5zQl8E6srtKN8Ple zH0CNknnj7lykZX+zAg+q84/RVZ3DKfH5xbF0M6w1H3RhACcFM0fut+hmbROkMAA WwMHt6+WsgAFw9wFkiKvi7zUBbd5fceHQyKE0B7ThJngkiGpgCjGCbzQbcadpPsd jTss49fILqxw+bJ6CMRsw8SALttzc3BYEJczDb1FJAx9e4m/sQFq6nXuwPJ7Cidq +ygKmNGxzbf1bz7DE30VayPxbQ5QA9R+16b4j1d3yxgLfAK9F0B411+0I058XgIO mL5Dn94RcJ3KzWE8hnTrYj40WANBP7UKe+Gn+snE85DbBS4aG/15stz2IwS+lIGG Gl/Hnu/pxmGZEmy8Xgb7ikOqnS0Jf7rWCgjk8d5k38t2WUN0tpyBcytHbJaoWjWi tz0yKOAz/Hc= =x/fR -----END PGP SIGNATURE-----