[USN-7057-1] WEBrick vulnerability

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==========================================================================
Ubuntu Security Notice USN-7057-1
October 07, 2024

ruby-webrick vulnerability
==========================================================================

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

- Ubuntu 24.04 LTS

Summary:

WEBrick could allow a HTTP request smuggling attack.

Software Description:
- ruby-webrick: HTTP server toolkit in Ruby

Details:

It was discovered that WEBrick incorrectly handled having both a Content-
Length header and a Transfer-Encoding header. A remote attacker could
possibly use this issue to perform a HTTP request smuggling attack.

Update instructions:

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

Ubuntu 24.04 LTS
ruby-webrick 1.8.1-1ubuntu0.1

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

References:
https://ubuntu.com/security/notices/USN-7057-1
CVE-2024-47220

Package Information:
https://launchpad.net/ubuntu/+source/ruby-webrick/1.8.1-1ubuntu0.1