12 May 2017
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1214 OpenVPN vulnerabilities 12 May 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: openvpn Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-7479 CVE-2017-7478 Original Bulletin: http://www.ubuntu.com/usn/usn-3284-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running openvpn check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3284-1 May 11, 2017 openvpn vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 17.04 Summary: Several security issues were fixed in OpenVPN. Software Description: - - openvpn: virtual private network software Details: It was discovered that OpenVPN improperly triggered an assert when receiving an oversized control packet in some situations. A remote attacker could use this to cause a denial of service (server or client crash). (CVE-2017-7478) It was discovered that OpenVPN improperly triggered an assert when packet ids rolled over. An authenticated remote attacker could use this to cause a denial of service (application crash). (CVE-2017-7479) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: openvpn 2.4.0-4ubuntu1.2 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-3284-1 CVE-2017-7478, CVE-2017-7479 Package Information: https://launchpad.net/ubuntu/+source/openvpn/2.4.0-4ubuntu1.2 - --------------------------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. 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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 iQIVAwUBWRViAIx+lLeg9Ub1AQgvuRAAouAxU1q4kimz7VkXwyNAMtNmMErIPoIa W+hfQLVYYD/Yn8rzfsNEwTtT+xN7z6IIGJZcczSpLkNE49ypnaC24EH65kmOglSk 9lpsLfaDfT05naD9mkhO1q7mXMHxf9LYncLRAPDbqwVrdvXA+2OIdY3OOz8hZ231 r9uzF0Qi2Rk+lwe48HvAxnLSMfr21EfziZoQtsxakSRiXW7BxNOHtRCgcl9JjMy2 aaNJUBXjyk3XlM/qYeDo9BxsJ57QQ7f1MtIOiksWxrPsDRLxA4br79cWujbF5Ld+ /wZKXAF5pq7Bhut9FUW0Q3yZ3meTtVFg1IirgrKVT7f6B5OXcwwQzN3a6cj+gW+C LWQAs9p8iLawI7jiXhttCX2t8OmSQrhxwGvD4AVbD7DiQwp6+rplyWJVrfzqE9NO +dAWvVDZ/ed3Q94j3kCCh56b5KBe4ZLvxhDdRYC2LuBrrGCqJRNLVYTKcQLghjOe HngykLpLz9kk659Rh7/PakaIr7XB9+x3Pb90AT5nupW8QbT6gHOoGuyq2isGZDCN 2wDx0OMcIUnHy6bh3czSz55q9PbbZjx+kVuNc+Vuygzr6D/sXZL6P2H9QJZZ/nKe QdU/zN3hadJJw7HjWgLWVh/ndcw8Q2bLHT27/vIvqThS6Iy4TbLFU8pqw3WodElP OXzTxVAPPT8= =CA8P -----END PGP SIGNATURE-----