1. Ubuntu Security Notices
  2. USN-7031-2

USN-7031-2: Puma vulnerability

Publication date

24 September 2024

Overview

Puma could be made to overwrite headers if it received specially crafted network traffic.

Releases

Packages

  • puma - threaded HTTP 1.1 server for Ruby/Rack applications

Details

USN-7031-1 fixed CVE-2024-45614 in Puma for Ubuntu 24.04 LTS.
This update fixes the CVE for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to overwrite header values
set by intermediate proxies by providing duplicate headers containing
underscore characters.

USN-7031-1 fixed CVE-2024-45614 in Puma for Ubuntu 24.04 LTS.
This update fixes the CVE for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to overwrite header values
set by intermediate proxies by providing duplicate headers containing
underscore characters.

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 puma –  5.5.2-2ubuntu2+esm2  
20.04 focal puma –  3.12.4-1ubuntu2+esm2  

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References

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