21 February 2017
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.0473 Tomcat vulnerability 21 February 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Tomcat Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-6056 Original Bulletin: http://www.ubuntu.com/usn/usn-3204-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3204-1: Tomcat vulnerability Ubuntu Security Notice USN-3204-1 20th February, 2017 tomcat6, tomcat7 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Tomcat could be made to consume resources if it received specially crafted network traffic. Software description tomcat6 - Servlet and JSP engine tomcat7 - Servlet and JSP engine Details It was discovered that Tomcat incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to cause Tomcat to consume resources, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: tomcat7 7.0.52-1ubuntu0.10 libtomcat7-java 7.0.52-1ubuntu0.10 Ubuntu 12.04 LTS: libtomcat6-java 6.0.35-1ubuntu3.11 tomcat6 6.0.35-1ubuntu3.11 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2017-6056 - --------------------------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 email@example.com 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: firstname.lastname@example.org 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 iQIVAwUBWKudEox+lLeg9Ub1AQj0lA//agG2Dv2ISAquX4EYCudwdUsqh8zc4jyj yFtoa9uvFfqV2dCmsX9G5w2ILd7XB+Ot6vmlA40Algte7MarBWudmkfSU32W1WXp c4n64rQeMUsqkgsrWpCQgnWlPb9zMa4h4Qp2FdHMHDRH9hq3/hcO1skrYZ+yXgdC UD42bA6sd8/EZ3udc8UQYzmhJfl8uLB0XEInMU17kS4BD+VA1O5GYfy0POB6z2LE s+tNoCWOsZPT+cikJpFNFzICtKR0kYj+K6SrkvENfd6DBtVdZVtqLIHQAHmcXrrL z91WOaslnimjocHndq5lq/qlcwiKJySD3n+S1ADi02rMjSj3NDAz0HL2u7lJp+6p /k2ADm0kpzGREZTs5bRUvRSMZmKN2C7aH6N3eU4YDo/L/Ss8abze86K4Kht04N/8 6/XJmXlPKzHeWPCP9R5/EuR+ggHpgO9S/loFYtFP58NbcDQ5fTnzwhznAPu2+z33 JIycSDuOgTAYBZ6suCAoY6EI+bXQGwGdPV6OFZO9t/9I6EXEPd32OihvUy2PoV0u MBK/XWLPl7tlIDghSIUKscGkCDnPtlfQ1Vp4YvNk1ai8M5eKTKl4s2YanZPLnjJ5 piA1WNayQ/2GPsNWeoNJdXZXJ6BSjKyaxq3jVgMRtP2FtgUX8W76pz34szzfwJeY CKma1E6UD18= =eTcN -----END PGP SIGNATURE-----