========================================================================== Ubuntu Security Notice USN-4174-1 November 05, 2019
haproxy vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: HAproxy would allow unintended access if ii received specially crafted HTTP request. Software Description: - 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 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4174-1 CVE-2019-18277 Package Information: https://launchpad.net/ubuntu/+source/haproxy/2.0.5-1ubuntu0.2 https://launchpad.net/ubuntu/+source/haproxy/1.8.19-1ubuntu1.2 https://launchpad.net/ubuntu/+source/haproxy/1.8.8-1ubuntu0.7 https://launchpad.net/ubuntu/+source/haproxy/1.6.3-1ubuntu0.3
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