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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2971.2 Ubuntu patches procmail vulnerability 22 November 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: procmail Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2017-16844 Reference: ESB-2017.2965 Original Bulletin: http://www.ubuntu.com/usn/usn-3483-1 http://www.ubuntu.com/usn/usn-3483-2 Revision History: November 22 2017: Patched Ubuntu 12.04 ESM November 21 2017: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Ubuntu Security Notice USN-3483-1 20th November, 2017 procmail vulnerability A security issue affects these releases of Ubuntu and its derivatives: * Ubuntu 17.10 * Ubuntu 17.04 * Ubuntu 16.04 LTS * Ubuntu 14.04 LTS Summary formail could be made to crash or run programs if it processed specially crafted mail. Software description * procmail - Versatile e-mail processor Details Jakub Wilk discovered that the formail tool incorrectly handled certain malformed mail messages. An attacker could use this flaw to cause formail to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: procmail 3.22-25ubuntu0.17.10.1 Ubuntu 17.04: procmail 3.22-25ubuntu0.17.04.1 Ubuntu 16.04 LTS: procmail 3.22-25ubuntu0.16.04.1 Ubuntu 14.04 LTS: procmail 3.22-21ubuntu0.2 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-2017-16844 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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). 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