[USN-5520-2] HTTP-Daemon vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5520-2
July 18, 2022

libhttp-daemon-perl vulnerability
==========================================================================

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

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

HTTP-Daemon could allow HTTP Request Smuggling attacks.

Software Description:
- libhttp-daemon-perl: simple http server class

Details:

USN-5520-1 fixed a vulnerability in HTTP-Daemon. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

 It was discovered that HTTP-Daemon incorrectly handled certain crafted
 requests. A remote attacker could possibly use this issue to perform an
 HTTP Request Smuggling attack.

Update instructions:

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

Ubuntu 16.04 ESM:
  libhttp-daemon-perl             6.01-1ubuntu0.16.04~esm1

Ubuntu 14.04 ESM:
  libhttp-daemon-perl             6.01-1ubuntu0.14.04~esm1

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

References:
  https://ubuntu.com/security/notices/USN-5520-2
  https://ubuntu.com/security/notices/USN-5520-1
  CVE-2022-31081
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