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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0361 systemd vulnerabilities 6 February 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: systemd Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-1049 CVE-2017-15908 Reference: ESB-2018.0317 Original Bulletin: http://www.ubuntu.com/usn/usn-3558-1 - --------------------------BEGIN INCLUDED TEXT-------------------- Ubuntu Security Notice USN-3558-1 5th February, 2018 systemd vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in systemd. Software description systemd - system and service manager Details Karim Hossen & Thomas Imbert and Nelson William Gamazo Sanchez independently discovered that systemd-resolved incorrectly handled certain DNS responses. A remote attacker could possibly use this issue to cause systemd to temporarily stop responding, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-15908) It was discovered that systemd incorrectly handled automounted volumes. A local attacker could possibly use this issue to cause applications to hang, resulting in a denial of service. (CVE-2018-1049) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: systemd 229-4ubuntu21.1 Ubuntu 14.04 LTS: systemd 204-5ubuntu20.26 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-2017-15908, CVE-2018-1049 - --------------------------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 iQIVAwUBWnkrjYx+lLeg9Ub1AQgwkBAAp6IvUNHmGS7NA8pYDvljsGEKSksBV31R XQo15BtVjufHkRUGi1vZoc2upchSSTjhnNSotxSWlBUoEjpEfSZaKPRw4CU4phvC CJ3a0+mOXVF/qZBsxcFhVfCw7IV6odaR0N19Umk9rnH5MPgkFl3i1fQI+mR4FgWn OYxP7yN4M1hX+hD3ojWEZa16U+OQjt7bg1bCcPmm9jAGIh3i30aEQhXqVTJAIlMS qvYGKAINvWd1qeU9FyFO22eD8s2zVZMgMNyB9ozWSplvmdUC/lJq8jsYF0XtvJro Ve6JImQHtcFCdld158BKQzE2lWA3BMS3yNs8Oo8OwVwtb1q8OiRHJSzPB3edV6iA 3qRdLMCbBsq0b5FDzJo6a4j8FNSaEZByCbwTwSTHca455sqdOQNsdNTtSt+z/FPm SGIqnuI10s4MvnrtO8kJu82ZxEi2l3HhBSIobiN2AqRWX02w7WU1kcJrWA3B6ks3 yJ2ArmeiSHiZ+5A82nKIjNdaeZ5+3ENXpmZPa1A3dqzKKZFzr9nRLPfNC+sruopq 7BmAPxq9igy/OwsRX7MhPeIHWCywIjUqqHGXM5MpBcYCQxoCHRhddNjwRLYW7dx5 bFf+FY5/C4w0SWv+1Xn8b6JYZKMRtr0kXCd9HixvehEhX8bYfFHSNeYaGarjUaXw rfSOWlf8CYg= =Y6YJ -----END PGP SIGNATURE-----