1. Ubuntu Security Notices
  2. USN-7057-2

USN-7057-2: WEBrick vulnerability

Publication date

8 October 2024

Overview

WEBrick could allow a HTTP request smuggling attack.

Releases

Packages

Details

USN-7057-1 fixed a vulnerability in WEBrick. This update provides the
corresponding updates for Ubuntu 22.04 LTS.

Original advisory 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.

USN-7057-1 fixed a vulnerability in WEBrick. This update provides the
corresponding updates for Ubuntu 22.04 LTS.

Original advisory 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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy ruby-webrick –  1.7.0-3ubuntu0.1

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References

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