USN-7031-2: Puma vulnerability
24 September 2024
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
-
puma
-
5.5.2-2ubuntu2+esm2
Available with Ubuntu Pro
Ubuntu 20.04
-
puma
-
3.12.4-1ubuntu2+esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.