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Ubuntu Security Notice USN-7057-1
October 07, 2024
ruby-webrick vulnerability
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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