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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2274 LXC vulnerability 7 August 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: lxc Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-6556 Original Bulletin: http://www.ubuntu.com/usn/usn-3730-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running lxc check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3730-1: LXC vulnerability 6 August 2018 lxc vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Summary LXC would allow unintended access to files. Software Description lxc - Linux Containers userspace tools Details Matthias Gerstner discovered that LXC incorrectly handled the lxc-user-nic utility. A local attacker could possibly use this issue to open arbitrary files. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS lxc - 3.0.1-0ubuntu1~18.04.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart LXC containers to make all the necessary changes. References CVE-2018-6556 - --------------------------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 iQIVAwUBW2ja5WaOgq3Tt24GAQg3VA/9HNbiZPibPrW0jyrEUVLf4TEGFjaMV//I gSxk9QV5RGnurpVj6N2fOlmjIQVYhkOzUqxXwdvNtVRchhoY4IZTNsgDaBonHJec QodXL82UcbSSrGNOoFfJDnlypHuEj43mtzY1SR2g6Vu6quCF7PvB5ME1N/PWFFbJ 58EeSKqHeKdw1KGhJ4CNeDvwEw/L2mZU2SBMUNxqKXRKMw8ODqHJ1z/GegJC583v iTcjMM2Jq/rsABNonRchENFM+cx2397E0/ib51X8JJmixvt36GWMBByoq8QTV5n2 kQmVwqfNaJp1uvrRvFW1pTiI4xqaPInKQvUuD4g8Gjw6OXrWXFFZSqbIjdgVEXyJ 5I+s9cLpzA37EU5pvZNccCSIJakHOpIEi7AhVnQ06M1pbytUohGc7aMwIk1xTWbW wOD8q9QfW92iOeU39W5lO34Ok3nb2f2ze3RtXdkrzyqNJN9a7VO4MFK4Jq8W9Jvn v9ZO5nHhAnWnibuy5GgLRDTkEJRnfWnxLeGQuSCQ/XCqkvL6/T7URF35PyFWkiYW 5BXxVc8h63DrlAoupr8hYRkum2cvyMaj3o3FIlzFesJUetgNNT/D1NS0rEC1kWij UNK/KDzxzcV+y41nH7UMGcNiSGnNtzTGrKNO1DhYdl0k3uuMVggiSarSoIW41WXF mktK3RAhhLY= =iV0y -----END PGP SIGNATURE-----