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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4099 USN-4174-1: HAproxy vulnerability 6 November 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: HAproxy Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Impact/Access: Increased Privileges -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-18277 Original Bulletin: https://usn.ubuntu.com/4174-1/ Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running HAproxy check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4174-1: HAproxy vulnerability 5 November 2019 haproxy vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.10 o Ubuntu 19.04 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary HAproxy would allow unintended access if ii received specially crafted HTTP request. Software Description o haproxy - fast and reliable load balancing reverse proxy Details It was discovered that HAproxy incorrectly handled certain HTTP requests. An attacker could possibly use this issue to a privilege escalation (Request Smuggling). Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 haproxy - 2.0.5-1ubuntu0.2 Ubuntu 19.04 haproxy - 1.8.19-1ubuntu1.2 Ubuntu 18.04 LTS haproxy - 1.8.8-1ubuntu0.7 Ubuntu 16.04 LTS haproxy - 1.6.3-1ubuntu0.3 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-2019-18277 - --------------------------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. 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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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