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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2755 Quagga vulnerabilities 1 November 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: quagga Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-16227 CVE-2017-5495 Reference: ESB-2017.2747 ESB-2017.2163 ESB-2017.0756 Original Bulletin: http://www.ubuntu.com/usn/usn-3471-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3471-1 October 31, 2017 quagga vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 17.10 - - Ubuntu 17.04 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Quagga. Software Description: - - quagga: BGP/OSPF/RIP routing daemon Details: Andreas Jaggi discovered that Quagga incorrectly handled certain BGP UPDATE messages. A remote attacker could possibly use this issue to cause Quagga to crash, resulting in a denial of service. (CVE-2017-16227) Quentin Young discovered that Quagga incorrectly handled memory in the telnet vty CLI. An attacker able to connect to the telnet interface could possibly use this issue to cause Quagga to consume memory, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-5495) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.10: quagga 1.1.1-3ubuntu0.1 quagga-bgpd 1.1.1-3ubuntu0.1 Ubuntu 17.04: quagga 1.1.1-1ubuntu0.1 quagga-bgpd 1.1.1-1ubuntu0.1 Ubuntu 16.04 LTS: quagga 0.99.24.1-2ubuntu1.3 Ubuntu 14.04 LTS: quagga 0.99.22.4-3ubuntu1.4 After a standard system update you need to restart Quagga to make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3471-1 CVE-2017-16227, CVE-2017-5495 Package Information: https://launchpad.net/ubuntu/+source/quagga/1.1.1-3ubuntu0.1 https://launchpad.net/ubuntu/+source/quagga/1.1.1-1ubuntu0.1 https://launchpad.net/ubuntu/+source/quagga/0.99.24.1-2ubuntu1.3 https://launchpad.net/ubuntu/+source/quagga/0.99.22.4-3ubuntu1.4 - --------------------------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 iQIVAwUBWfkliYx+lLeg9Ub1AQiINA//V5iD9Gpor4x1pJHkIPSBN7N586NnORuK 9Uck2yCfhbAe93DbLiIh1Ox0XUWgdr91XKU6SA6Lm4857k+FF/dJWNPEfiDshv0G tClGfOEY7uoq0fZdpNPMP4vkW0ORLrNQNABQq2otXbjSFKwu14592a6iSGpV3/L6 c1lEasBREhnyz6CIVeehsCisQ/L69ozXokhxHmo0PvyS+VDtButazT2ZH1c+nvqD WnjDLaZkS+vf+Zwb8DFFehQpV4BMUleCJppRldjSJaIwFK/MGop9i51r0dSeSI2q GowXG3hFNgavAJ7tqF2ns0OuIySlUJvA0li7FIVYOt7KNzGUneyIustUSfZkg+fh hed029bPy0koKI1fEUHW15x82/V63uXEhWS2J96ZGdTJy5t9/mn/dlMtB4iG/vRn P1Gkr7AQS121SSQ/60IDKIcmyzkXMAFoRbZbXvtRVAErCGQzBqKGrY03Etoon6NK EcTdxXkiIn8ZQG1xEjZQRTx4LPI2dGecQLPea3mESIFrbaEFmXG9v1/Z/wsDyHmp 0dwvKyYygNnznjBCaXn3onax34P+SBBW/VQwBLBZ7QVfJ8lR2bFy3hWwraTbtb7g ZEdFsL6n1oay/krWKrWclzXrzmEAnnSmBbUjdUxKHDP5IhVG7nlGSPDV2c02Cqb6 LY4akZc3Rp4= =BlQG -----END PGP SIGNATURE-----