Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 492
Alerts This Week
Warning Icon 1 492

Ubuntu 24.10: USN-7115-1 critical: waitress denial of service

ubuntu
Calendar Grey November 19, 2024
Scroller Ubuntu
Keep abreast of Ubuntu Security Notice USN-7115-2 addressing issues related to Waitress vulnerabilities impacting several versions.
Several security issues were fixed in Waitress.

Summary

Several security issues were fixed in Waitress.

Software Description:

- waitress: production-quality pure-Python WSGI server

Details:

It was discovered that Waitress could process follow up requests when

receiving a specially crafted message. An attacker could use this issue to

have the server process inconsistent client requests. (CVE-2024-49768)

Dylan Jay discovered that Waitress could be lead to write to an unexisting

socket after closing the remote connection. An attacker could use this

issue to increase resource utilization leading to a denial of service.

(CVE-2024-49769)

Update Instructions

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

Ubuntu 24.10
   python3-waitress                3.0.0-1ubuntu0.1

Ubuntu 24.04 LTS
   python3-waitress                2.1.2-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 22.04 LTS
   python3-waitress                1.4.4-1.1ubuntu1.1

Ubuntu 20.04 LTS
   python3-waitress                1.4.1-1ubuntu0.2

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

References

  https://ubuntu.com/security/notices/USN-7115-1

  CVE-2024-49768, CVE-2024-49769

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7115-1

Package Information

 
  https://launchpad.net/ubuntu/+source/waitress/1.4.4-1.1ubuntu1.1
 

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.