==========================================================================
Ubuntu Security Notice USN-6530-2
July 23, 2024

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

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

HAProxy could be made to expose sensitive information.

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

Details:

Seth Manesse and Paul Plasil 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 18.04 LTS
   haproxy                         1.8.8-1ubuntu0.13+esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   haproxy                         1.6.3-1ubuntu0.3+esm1
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-6530-2
   https://ubuntu.com/security/notices/USN-6530-1
   CVE-2023-45539

Ubuntu 6530-2: HAProxy Security Advisory Updates

July 23, 2024
HAProxy could be made to expose sensitive information.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: HAProxy could be made to expose sensitive information. Software Description: - haproxy: fast and reliable load balancing reverse proxy Details: Seth Manesse and Paul Plasil 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 18.04 LTS   haproxy                         1.8.8-1ubuntu0.13+esm2                                   Available with Ubuntu Pro Ubuntu 16.04 LTS   haproxy                         1.6.3-1ubuntu0.3+esm1                                   Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6530-2

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

  CVE-2023-45539

Severity
Ubuntu Security Notice USN-6530-2

Package Information

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