Ubuntu 5063-1: HAProxy vulnerabilities | LinuxSecurity.com

Advisories

==========================================================================
Ubuntu Security Notice USN-5063-1
September 08, 2021

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

- Ubuntu 21.04
- Ubuntu 20.04 LTS

Summary:

HAProxy could be made to expose sensitive information over the network.

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

Details:

Ori Hollander discovered that HAProxy incorrectly handled HTTP header name
length encoding. A remote attacker could possibly use this issue to inject
a duplicate content-length header and perform request smuggling attacks.

Update instructions:

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

Ubuntu 21.04:
  haproxy                         2.2.9-1ubuntu0.2

Ubuntu 20.04 LTS:
  haproxy                         2.0.13-2ubuntu0.3

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

References:
  https://ubuntu.com/security/notices/USN-5063-1
  CVE-2021-40346

Package Information:
  https://launchpad.net/ubuntu/+source/haproxy/2.2.9-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/haproxy/2.0.13-2ubuntu0.3

Ubuntu 5063-1: HAProxy vulnerabilities

September 8, 2021

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.04 LTS Summary: HAProxy could be made to expose sensitive information over the network. Software Description: - haproxy: fast and reliable load balancing reverse proxy Details: Ori Hollander discovered that HAProxy incorrectly handled HTTP header name length encoding. A remote attacker could possibly use this issue to inject a duplicate content-length header and perform request smuggling attacks.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: haproxy 2.2.9-1ubuntu0.2 Ubuntu 20.04 LTS: haproxy 2.0.13-2ubuntu0.3 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5063-1

CVE-2021-40346

Severity
Ubuntu Security Notice USN-5063-1

Package Information

https://launchpad.net/ubuntu/+source/haproxy/2.2.9-1ubuntu0.2 https://launchpad.net/ubuntu/+source/haproxy/2.0.13-2ubuntu0.3

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