Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 512
Alerts This Week
Warning Icon 1 512

Ubuntu 23.04 & 22.04 LTS: USN-6294-1 Moderate HAProxy Network Access Issue

ubuntu
Calendar Grey August 16, 2023
Scroller Ubuntu
HAProxy on Ubuntu might expose network services unintentionally. Explore the details of the vulnerability and available patches.
HAProxy could allow unintended access to network services.

Summary

HAProxy could allow unintended access to network services.

Software Description:

- haproxy: fast and reliable load balancing reverse proxy

Details:

Ben Kallus discovered that HAProxy incorrectly handled empty Content-Length

headers. A remote attacker could possibly use this issue to manipulate the

payload and bypass certain restrictions.

Topics%20covered

Topics Covered

security advisory Ubuntu issue update instructions network access HAProxy

Update Instructions

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

Ubuntu 23.04:
   haproxy                         2.6.9-1ubuntu1.1

Ubuntu 22.04 LTS:
   haproxy                         2.4.22-0ubuntu0.22.04.2

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

References

https://ubuntu.com/security/notices/USN-6294-1

CVE-2023-40225

Ubuntu Security Notice USN-6294-1

Topics%20covered

Topics Covered

security advisory Ubuntu issue update instructions network access HAProxy

Package Information

https://launchpad.net/ubuntu/+source/haproxy/2.6.9-1ubuntu1.1
https://launchpad.net/ubuntu/+source/haproxy/2.4.22-0ubuntu0.22.04.2

Get the latest News and Insights

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