Ubuntu alert USN-6399-1 (puma)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com>
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com>
Subject:
             
 
[USN-6399-1] Puma vulnerability
Date:
             
 
Wed, 27 Sep 2023 09:10:00 -0400
Message-ID:
             
 
<b7bb2fb1-f803-4214-57bb-af5700351a26@canonical.com>
==========================================================================
Ubuntu Security Notice USN-6399-1
September 27, 2023

puma vulnerability
==========================================================================

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

- Ubuntu 23.04

Summary:

Puma could allow HTTP Request Smuggling attacks.

Software Description:
- puma: threaded HTTP 1.1 server for Ruby/Rack applications

Details:

It was discovered that Puma incorrectly handled parsing certain headers. 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 23.04:
   puma                            5.6.5-3ubuntu1.1

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

References:
   https://ubuntu.com/security/notices/USN-6399-1
   CVE-2023-40175

Package Information:
   https://launchpad.net/ubuntu/+source/puma/5.6.5-3ubuntu1.1