==========================================================================
Ubuntu Security Notice USN-6530-1
December 05, 2023

haproxy vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

HAProxy could be made to expose sensitive information.

Software Description:
- haproxy: fast and reliable load balancing reverse proxy

Details:

It was discovered that HAProxy incorrectly handled URI components
containing the hash character (#). A remote attacker could possibly use
this issue to obtain sensitive information, or to bypass certain path_end
rules.

Update instructions:

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

Ubuntu 23.04:
   haproxy                         2.6.9-1ubuntu1.2

Ubuntu 22.04 LTS:
   haproxy                         2.4.22-0ubuntu0.22.04.3

Ubuntu 20.04 LTS:
   haproxy                         2.0.31-0ubuntu0.3

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

References:
   https://ubuntu.com/security/notices/USN-6530-1
   CVE-2023-45539

Package Information:
   https://launchpad.net/ubuntu/+source/haproxy/2.6.9-1ubuntu1.2
   https://launchpad.net/ubuntu/+source/haproxy/2.4.22-0ubuntu0.22.04.3
   https://launchpad.net/ubuntu/+source/haproxy/2.0.31-0ubuntu0.3

Ubuntu 6530-1: HAProxy vulnerability

December 5, 2023
HAProxy could be made to expose sensitive information.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: HAProxy could be made to expose sensitive information. Software Description: - haproxy: fast and reliable load balancing reverse proxy Details: It was discovered that HAProxy incorrectly handled URI components containing the hash character (#). A remote attacker could possibly use this issue to obtain sensitive information, or to bypass certain path_end rules.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: haproxy 2.6.9-1ubuntu1.2 Ubuntu 22.04 LTS: haproxy 2.4.22-0ubuntu0.22.04.3 Ubuntu 20.04 LTS: haproxy 2.0.31-0ubuntu0.3 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6530-1

CVE-2023-45539

Severity
Ubuntu Security Notice USN-6530-1

Package Information

https://launchpad.net/ubuntu/+source/haproxy/2.6.9-1ubuntu1.2 https://launchpad.net/ubuntu/+source/haproxy/2.4.22-0ubuntu0.22.04.3 https://launchpad.net/ubuntu/+source/haproxy/2.0.31-0ubuntu0.3

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