USN-4174-1: HAproxy vulnerability
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
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.
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