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Ubuntu 20.04 LTS USN-6294-2 Moderate: HAProxy Network Access Threat

ubuntu
Calendar Grey August 17, 2023
Dist Ubuntu Esm H88
Ubuntu Security Update USN-6300-1 responds to vulnerabilities in HAProxy that could lead to unauthorized access over the network. Prompt upgrade recommended for enhanced security.
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:

USN-6294-1 fixed vulnerabilities in HAProxy. This update provides the

corresponding updates for Ubuntu 20.04 LTS.

Original advisory 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 moderate threat Ubuntu network access HAProxy

Update Instructions

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

Ubuntu 20.04 LTS:
   haproxy                         2.0.31-0ubuntu0.2

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

References

https://ubuntu.com/security/notices/USN-6294-2

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

CVE-2023-40225

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6294-2

Topics%20covered

Topics Covered

security advisory moderate threat Ubuntu network access HAProxy

Package Information

https://launchpad.net/ubuntu/+source/haproxy/2.0.31-0ubuntu0.2

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