What is the severity of USN-4212-1?

The severity of USN-4212-1 is considered high due to the potential for arbitrary code execution through CRLF injection.

How do I fix USN-4212-1?

To fix USN-4212-1, update HAProxy to version 2.0.5-1ubuntu0.3 or 1.8.19-1ubuntu1.3 on the affected Ubuntu systems.

Which versions of HAProxy are affected by USN-4212-1?

USN-4212-1 affects HAProxy versions earlier than 2.0.5-1ubuntu0.3, 1.8.19-1ubuntu1.3, and 1.8.8-1ubuntu0.9.

Can USN-4212-1 be exploited remotely?

Yes, USN-4212-1 can be exploited remotely if the affected versions of HAProxy are exposed to malicious HTTP/2 requests.

What software and versions are impacted by USN-4212-1?

USN-4212-1 impacts HAProxy on Ubuntu versions 19.10, 19.04, and 18.04.

Vulnerability/
USN-4212-1

CWE

4/12/2019

USN-4212-1: HAProxy vulnerability

First published: Wed Dec 04 2019(Updated: )

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.

Affected Software	Affected Version	How to fix
All of
ubuntu/haproxy	<2.0.5-1ubuntu0.3	2.0.5-1ubuntu0.3
Ubuntu Linux	=19.10
All of
ubuntu/haproxy	<1.8.19-1ubuntu1.3	1.8.19-1ubuntu1.3
Ubuntu Linux	=19.04
All of
ubuntu/haproxy	<1.8.8-1ubuntu0.9	1.8.8-1ubuntu0.9
Ubuntu Linux	=18.04

Never miss a vulnerability like this again

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2019-19330

Frequently Asked Questions

What is the severity of USN-4212-1?
The severity of USN-4212-1 is considered high due to the potential for arbitrary code execution through CRLF injection.
How do I fix USN-4212-1?
To fix USN-4212-1, update HAProxy to version 2.0.5-1ubuntu0.3 or 1.8.19-1ubuntu1.3 on the affected Ubuntu systems.
Which versions of HAProxy are affected by USN-4212-1?
USN-4212-1 affects HAProxy versions earlier than 2.0.5-1ubuntu0.3, 1.8.19-1ubuntu1.3, and 1.8.8-1ubuntu0.9.
Can USN-4212-1 be exploited remotely?
Yes, USN-4212-1 can be exploited remotely if the affected versions of HAProxy are exposed to malicious HTTP/2 requests.
What software and versions are impacted by USN-4212-1?
USN-4212-1 impacts HAProxy on Ubuntu versions 19.10, 19.04, and 18.04.

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agent/title
agent/weakness
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Frequently Asked Questions

What is the severity of USN-4212-1?
The severity of USN-4212-1 is considered high due to the potential for arbitrary code execution through CRLF injection.
How do I fix USN-4212-1?
To fix USN-4212-1, update HAProxy to version 2.0.5-1ubuntu0.3 or 1.8.19-1ubuntu1.3 on the affected Ubuntu systems.
Which versions of HAProxy are affected by USN-4212-1?
USN-4212-1 affects HAProxy versions earlier than 2.0.5-1ubuntu0.3, 1.8.19-1ubuntu1.3, and 1.8.8-1ubuntu0.9.
Can USN-4212-1 be exploited remotely?
Yes, USN-4212-1 can be exploited remotely if the affected versions of HAProxy are exposed to malicious HTTP/2 requests.
What software and versions are impacted by USN-4212-1?
USN-4212-1 impacts HAProxy on Ubuntu versions 19.10, 19.04, and 18.04.