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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.2400 USN-5311-2: containerd regression 17 May 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: containerd Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-23648 Original Bulletin: https://ubuntu.com/security/notices/USN-5311-2 Comment: CVSS (Max): 7.5 CVE-2022-23648 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5311-2: containerd regression 16 May 2022 USN-5311-1 fix was reverted by mistake in containerd. Releases o Ubuntu 21.10 o Ubuntu 20.04 LTS Packages o containerd - daemon to control runC Details USN-5311-1 released updates for containerd. Unfortunately, a subsequent update reverted the fix for this CVE by mistake. This update corrects the problem. We apologize for the inconvenience. Original advisory details: It was discovered that containerd allows attackers to gain access to read- only copies of arbitrary files and directories on the host via a specially- crafted image configuration. An attacker could possibly use this issue to obtain sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10 o containerd - 1.5.9-0ubuntu1~21.10.3 Ubuntu 20.04 o containerd - 1.5.9-0ubuntu1~20.04.4 In general, a standard system update will make all the necessary changes. References o CVE-2022-23648 Related notices o USN-5311-1 : containerd, golang-github-containerd-containerd-dev - --------------------------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: https://auscert.org.au/gpg-key/ iQIVAwUBYoMnpckNZI30y1K9AQjfeA//U4tTge9lF5uIKbEiT7GqasUoBjjVxKwb rvfSr/7JbQlOxGdIiPObKwdOKHcaV15vtOkpz6YdgpYB9f9mQMK2dNnScVsBiyY5 jsB8Py1ebXbuFwoXkDhUfJPgV6WAOALIh5+vcknFLM8n4sW9C/m74a9DSXHPVgcL Bt4ss/8/FP3yT6F5DPYpSnHwA9lRfPkZTxKJCcsAm29L2Ohb69LFKmrtjK3ANDDw 6m3ujFZGqadXo7IxZzcyyK1M6puw/QF8q7cIlUdIIHmUD6r9YQIziJ3Jje2Efu4B FaSAPxkmqFnsftjFSX/sIZo/WGpLCba6ldbGbB/A2h4XwIqQvhAnLtPxem2k0elR q9RkPnLPZsXPFuQWQHf0XC7AwFh9BkaPH+NQoAXIpZZWyaMxhnRDwa5EoJV4lMfw JaxJ4S8Hbsc9BQi2VeijZssWG3t3wIHsCtw8LTejpbcotuP7b4BdbQ035lJmOzlW 4IauIDyWefrK1S9MR/rO6KwpOujQjIn8xmUoeMx+H5GSFMUMFooU70Q7PYOevPnO HjFxNL7P9PpvC7aBX7ofIlKZIPIMs6wK0zfhJwdTil65WxXVtjG2l5nS2aVuRNod 2vuoQzBtQVWkKcobNe8+xG5A6X4IfaZgYAeYZSNNO0FjciMIG116M4KeTUse8uxE R0s9v49CpsQ= =6F0L -----END PGP SIGNATURE-----