Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0109 GnuPG vulnerability 11 January 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: gnupg Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Cross-site Request Forgery -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-1000858 Reference: ESB-2019.0064 Original Bulletin: http://www.ubuntu.com/usn/usn-3853-1 - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3853-1 January 10, 2019 gnupg2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.10 - - Ubuntu 18.04 LTS Summary: GnuPG could allow unintended access to network services. Software Description: - - gnupg2: GNU privacy guard - a free PGP replacement Details: Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory lookups. A remote attacker could possibly use this issue to cause a denial of service, or perform Cross-Site Request Forgery attacks. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: gnupg 2.2.8-3ubuntu1.1 gpg-wks-client 2.2.8-3ubuntu1.1 Ubuntu 18.04 LTS: gnupg 2.2.4-1ubuntu1.2 gpg-wks-client 2.2.4-1ubuntu1.2 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3853-1 CVE-2018-1000858 Package Information: https://launchpad.net/ubuntu/+source/gnupg2/2.2.8-3ubuntu1.1 https://launchpad.net/ubuntu/+source/gnupg2/2.2.4-1ubuntu1.2 - --------------------------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. 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 iQIVAwUBXDgVCGaOgq3Tt24GAQhLyg/9ENRuJyqYKfiKHu7uZEgNPiIYCkujlCqY xfCp9CHtoJRab9JAYSqM21kUIgmhdSL8uQbm8c/Hgp8RC1shF1bmjk+3Y/LQWNU0 488CQBNkoQtFO5pninMGou6giJSTytBgDCS7dvtvJCkblCCumIc8XrrLhb3y2UjM trxJF81VhBNDEhWA7lcjHwyx9NN6CQdacYXEhk8/O6+2pXtVjmG8lgHc92En9C2i gWGROFc4zJq5s/I/E2nlDQTiqOaB33SSIc59+dEFnS/fmzinuqH/OeU4ZANZml6L PFmU4J56r1LVuBoyb5SkkpYmNo5frCV8gY54njx/5WeJd3NB76Slk3cw9UZDmzTW bHLnNZlEWQmOHyepsphNRI804c5iFyaDEHvJIrcRUYl1O8fRdte+IWqWJRGwhz0I p3OyRjvRmtzxUXhSoTeU74UheNxvq97Zsi/ICAe90zHdCW8HjSpAzPFQmS7vwXR7 9vyPZlzWGm9Phg+n4I/HkGA+EpLGxStYZSFwp9vaWmjVt3ee06MAc6ogy3Ed4X7T G4I/wuMqdI4OFUCi8mhYKIIgNmz7rHamKF2kMuGCn4CjbMpQSdoEsWbiTXQvc3AN y8lyks5XthN0XPfjaM+BF7cN1h+TADcTa7tu0EyVJkmrxHHdE8iiVIrZw0zmcaKE oCN7yLyWI2M= =hbad -----END PGP SIGNATURE-----