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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3129 USN-4099-1: nginx vulnerabilities 16 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: nginx Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-9516 CVE-2019-9513 CVE-2019-9511 Reference: ESB-2019.3116 Original Bulletin: https://usn.ubuntu.com/4099-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4099-1: nginx vulnerabilities 15 August 2019 nginx vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary nginx could be made to crash if it received specially crafted network traffic. Software Description o nginx - small, powerful, scalable web/proxy server Details Jonathan Looney discovered that nginx incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to consume resources, leading to a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 nginx-common - 1.15.9-0ubuntu1.1 nginx-core - 1.15.9-0ubuntu1.1 nginx-extras - 1.15.9-0ubuntu1.1 nginx-full - 1.15.9-0ubuntu1.1 nginx-light - 1.15.9-0ubuntu1.1 Ubuntu 18.04 LTS nginx-common - 1.14.0-0ubuntu1.4 nginx-core - 1.14.0-0ubuntu1.4 nginx-extras - 1.14.0-0ubuntu1.4 nginx-full - 1.14.0-0ubuntu1.4 nginx-light - 1.14.0-0ubuntu1.4 Ubuntu 16.04 LTS nginx-common - 1.10.3-0ubuntu0.16.04.4 nginx-core - 1.10.3-0ubuntu0.16.04.4 nginx-extras - 1.10.3-0ubuntu0.16.04.4 nginx-full - 1.10.3-0ubuntu0.16.04.4 nginx-light - 1.10.3-0ubuntu0.16.04.4 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 o CVE-2019-9511 o CVE-2019-9513 o CVE-2019-9516 - --------------------------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. 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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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