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Ubuntu 23.10 & 23.04 USN-6597-1: Puma DoS Resource Issue

ubuntu
Calendar Grey January 25, 2024
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6597-1 addresses critical Puma resource issues leading to potential denial of service.
Puma could be made to consume resources if it received specially crafted network traffic.

Summary

Puma could be made to consume resources if it received specially crafted

network traffic.

Software Description:

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

Details:

It was discovered that Puma incorrectly handled parsing chunked transfer

encoding bodies. A remote attacker could possibly use this issue to cause

Puma to consume resources, leading to a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu resource consumption network issue Puma

Update Instructions

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

Ubuntu 23.10:
   puma                            5.6.5-4ubuntu2.1

Ubuntu 23.04:
   puma                            5.6.5-3ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-6597-1

CVE-2024-21647

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6597-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu resource consumption network issue Puma

Package Information

https://launchpad.net/ubuntu/+source/puma/5.6.5-4ubuntu2.1
https://launchpad.net/ubuntu/+source/puma/5.6.5-3ubuntu1.2

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