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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0638 Memcached vulnerabilities 6 March 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: memcached Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-1000115 CVE-2017-9951 Original Bulletin: http://www.ubuntu.com/usn/usn-3588-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running memcached check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3588-1 March 05, 2018 memcached vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 17.10 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Memcached. Software Description: - - memcached: high-performance memory object caching system Details: Daniel Shapira discovered an integer overflow issue in Memcached. A remote attacker could use this to cause a denial of service (daemon crash). (CVE-2017-9951) It was discovered that Memcached listened to UDP by default. A remote attacker could use this as part of a distributed denial of service attack. (CVE-2018-1000115) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.10: memcached 1.4.33-1ubuntu3.2 Ubuntu 16.04 LTS: memcached 1.4.25-2ubuntu1.3 Ubuntu 14.04 LTS: memcached 1.4.14-0ubuntu9.2 In general, a standard system update will make all the necessary changes. Please note that after applying this update, Memcached will no longer listen to UDP by default. If UDP service is desired, please add '-U 11211' to /etc/memcached.conf and restart the memcached service. References: https://usn.ubuntu.com/usn/usn-3588-1 CVE-2017-9951, CVE-2018-1000115 Package Information: https://launchpad.net/ubuntu/+source/memcached/1.4.33-1ubuntu3.2 https://launchpad.net/ubuntu/+source/memcached/1.4.25-2ubuntu1.3 https://launchpad.net/ubuntu/+source/memcached/1.4.14-0ubuntu9.2 - --------------------------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 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 iQIVAwUBWp31Z4x+lLeg9Ub1AQgiow//SImrg1g8U03WHLjE6y0dJu1t68S23WGj YU8LvhTM2KJg3q7lv0zgNsC5QaZuueKLuc15FNitY0V/GgCqZ/b1R0L8m7qg9DuV q8brD3K7qSQ4BkSK5mKIsX7Wl1+0p3/uA1BnYeN+1498Glv6KbZiyRqaoM1kRQC2 25+60OFlrPP0YCXZ83PrUT63NmqF4U9ngGA74vb8UVYQ5HQ042giHYcbLqI3E9ao p8I+zJMmm9u6I4J8MohSNbmERRU5CNiJHS4oS07jsZFCDbTRs8VP896IPxvRd7dd e10NiIDN4X5Ds+slmgmkSLaPa0VJJUy5eRP0YU2vNXoPU4QGsiCMIM9aVnMECh4y qMvWVkRBDVxmR08F4mbqyfftMmH8pHsRRjtGO8l3lYn94Ga72PDzSAzXhkl7BqrU WwQsqoFiGgu5LljGula24yu5+UE+RHN7/SxuH9dBSyeJXSu0ydgcA2o5HoTlZDMh oRYJ8n8/0isRAQVQrPspQEK1eAapMpLS89U+u5Od0bAFT42/+NdUud0+Rojp6F4T nHhILxDBi6r02W/ZOt0ZOhNNY9p1D+aCdw1LSeZG6kevIaM75Jma1ETJLI77pdNq iRLtFnWfkvI69cUxHkJaay18G2MfZr9fT+1/cWeD4K7dvpTUqjiWzdtlGgJe21FY hUlcUCKshYg= =sDci -----END PGP SIGNATURE-----