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USN-4212-1: HAProxy vulnerability

USN-4212-1: HAProxy vulnerability

haproxy vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

Summary

HAProxy could be made to execute arbitrary code if it received a specially crafted HTTP/2 header.

Software Description

Details

Tim Düsterhus discovered that HAProxy incorrectly handled certain HTTP/2 headers.
An attacker could possibly use this issue to execute arbitrary code through CRLF injection.

Update instructions

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

Ubuntu 19.10
haproxy2.0.5-1ubuntu0.3
Ubuntu 19.04
haproxy1.8.19-1ubuntu1.3
Ubuntu 18.04 LTS
haproxy1.8.8-1ubuntu0.9

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

Source: USN-4212-1: HAProxy vulnerability

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