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USN-4174-1: HAproxy vulnerability

5 November 2019

HAproxy would allow unintended access if ii received specially crafted HTTP request.

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Releases

Packages

  • 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).

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10
Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

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Further reading