Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.0097.2 Bind vulnerabilities 20 January 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: bind9 Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-9444 CVE-2016-9147 CVE-2016-9131 Reference: ESB-2017.0094 ESB-2017.0088 ESB-2017.0087 Original Bulletin: http://www.ubuntu.com/usn/usn-3172-1 Revision History: January 20 2017: Updated missing OS field January 13 2017: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3172-1 January 12, 2017 bind9 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 16.10 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS - - Ubuntu 12.04 LTS Summary: Several security issues were fixed in Bind. Software Description: - - bind9: Internet Domain Name Server Details: It was discovered that Bind incorrectly handled certain malformed responses to an ANY query. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2016-9131) It was discovered that Bind incorrectly handled certain malformed responses to an ANY query. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2016-9147) It was discovered that Bind incorrectly handled certain malformed DS record responses. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-9444) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.10: bind9 1:9.10.3.dfsg.P4-10.1ubuntu1.2 Ubuntu 16.04 LTS: bind9 1:9.10.3.dfsg.P4-8ubuntu1.4 Ubuntu 14.04 LTS: bind9 1:9.9.5.dfsg-3ubuntu0.11 Ubuntu 12.04 LTS: bind9 1:9.8.1.dfsg.P1-4ubuntu0.20 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-3172-1 CVE-2016-9131, CVE-2016-9147, CVE-2016-9444 Package Information: https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu1.2 https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.4 https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.11 https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.20 - --------------------------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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWIFz6Yx+lLeg9Ub1AQjfbw//UfFjB0V5TK12Kk/slEK0xFKw3KBVfyZB 7uBQMZ3U4ogTEx6HJ2FSzJ/39d4sIIJ+gK4p8WeOEKndWwAcHo6sHed+Ccf/Mqjv 0+jowvIZyTi1nuTHB7OX5B37d303zFW9Dkuz9HpdLY8dDKeQTk3tH+LPG5q3N2Cq yDNV46HWrI49TXtf+jV/rAw88Tx4XQS11A2G2QUuhaBD/owHgYSirD7/q6okR7c+ 7/7eSZR3gLHXxEdFHmJGS5fkQ3bqDzbyGhsVNm9Ct29KRXHI7zXQEGs23M7gApE0 AVvO3cBkQ6n424zcVoJsvlw3XUqEaLGsu9Q80VqRC+VASyoh3RiCh5xNt6jMRI4A NHrQGA3ZirgvqhJ2UAb/eO+waw0/eT/guwmFl/rck2fJLFhKx+EGB1RRDbuT1dpO nCazTCYQua9AH8QrfIGgkUft+ziLyAdeElIwdCb87OPjnNMuB5FjSCckXGAymnFS 588ps2H3wWyxLHSb7GC5b6wdUjwluGJBPSqVe/l75E4me7d8FOIXhGAYwtyThcWY DzYiq7/AGfOZy4XmLB4owceWnnsbqfi6x7qgUTvXVtULjH69vnPZ3xjl2sOlDATY Kg/H/e2fbxcmBmafWPydQ8xO6tgRqsCV88afHHNNCj7KkGf9RHY9gTtR1E2gfEpR SaBxmpGzQh0= =MP5/ -----END PGP SIGNATURE-----