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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2162 Tomcat vulnerabilities patched in Ubuntu 26 July 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: tomcat8 tomcat7 Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-8034 CVE-2018-1336 Reference: ESB-2018.2125 Original Bulletin: http://www.ubuntu.com/usn/usn-3723-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3723-1 July 25, 2018 tomcat7, tomcat8 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Tomcat. Software Description: - - tomcat8: Servlet and JSP engine - - tomcat7: Servlet and JSP engine Details: It was discovered that Tomcat incorrectly handled decoding certain UTF-8 strings. A remote attacker could possibly use this issue to cause Tomcat to crash, resulting in a denial of service. (CVE-2018-1336) It was discovered that the Tomcat WebSocket client incorrectly performed hostname verification. A remote attacker could possibly use this issue to intercept sensitive information. (CVE-2018-8034) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: libtomcat8-java 8.0.32-1ubuntu1.7 tomcat8 8.0.32-1ubuntu1.7 Ubuntu 14.04 LTS: libtomcat7-java 7.0.52-1ubuntu0.15 tomcat7 7.0.52-1ubuntu0.15 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3723-1 CVE-2018-1336, CVE-2018-8034 Package Information: https://launchpad.net/ubuntu/+source/tomcat8/8.0.32-1ubuntu1.7 https://launchpad.net/ubuntu/+source/tomcat7/7.0.52-1ubuntu0.15 - --------------------------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 iQIVAwUBW1kmA2aOgq3Tt24GAQjpZg/+OcKzDaVF2AM52CVyNp9qWvj3744vnT7h 4t3TZVpD3qUAgzX0UwGUf5n1OCP6cyW5hfHTalswmaLfOrpTtKGBrtcWvwleRJEV HY1e+V+FtM4EzAxAdfiICA2pQnxABwDf17hyQrQespibPKZZXWNNc6U1vG09hiEr y0ed7lJlGRmvLz37WVgB41G2O/HbLxHhqLJUpdCQ+TGSiWwu0J8+m9HUTvqYppgB x2tEfY2VNA54TjOPlkXfh+ztI2o76ptFOWKuBMAz5NxN9A/1iE5LZtOL0NmOe+TD 8zknN8acrHv+kEHHAtb+M7I9SxgwkdKMjdWpwLnA32WSaNHksGs5w+GS53GsJuF5 U4BhMWj44M9rqvnDcGvTBAGlOEHbfnl5ZiU9H1ZERQwvgHlvF1OHIwXHNN2irhOR 3QlGf7sGQ60iRcr+VI0kRMF4QmIvVGL/P5a6AdqyqGTn0A7uRSfUX9fDm7IR3bvN wAECX+JyoKrch9qD5RQM0M+a6nnTD7dEDf7t0mgCVO0UZHfWciQ5Km8sESkZw21E nmVgwwwRYuyJlS+wdjN0TiZ208sqg7FsUjtAWgQtQ28pJwKDCwJLBV78KRgVBakW 4tcfM6tONkyNzThCbNEr6E4dUp7T4coGRx8eGUIPdPuAZ5WqRiNtTRyOt7UxcSyK W//a3SLsR8M= =xBdp -----END PGP SIGNATURE-----