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Fedora 36: 2023-7e04833463 Critical: haproxy DoS and HTTP Smuggling

fedora
Calendar Grey February 25, 2023
Dist Fedora Esm H88
HAProxy vulnerability patch for Fedora 36 mitigates severe DoS and HTTP smuggling risks. Key update information shared.
Security fix for CVE-2023-0056, CVE-2023-25725

Summary

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high

availability environments. Indeed, it can:

- route HTTP requests depending on statically assigned cookies

- spread load among several servers while assuring server persistence

through the use of HTTP cookies

- switch to backup servers in the event a main one fails

- accept connections to special ports dedicated to service monitoring

- stop accepting connections without breaking existing ones

- add, modify, and delete HTTP headers in both directions

- block requests matching particular patterns

- report detailed status to authenticated users from a URI

intercepted from the application

Security fix for CVE-2023-0056, CVE-2023-25725

* Wed Feb 15 2023 Ryan O'Hara - 2.4.22-2

- Update to 2.4.22

[ 1 ] Bug #2160808 - CVE-2023-0056 haproxy: segfault DoS

https://bugzilla.redhat.com/show_bug.cgi?id=2160808

[ 2 ] Bug #2169089 - CVE-2023-25725 haproxy: request smuggling attack in HTTP/1 header parsing

https://bugzilla.redhat.com/show_bug.cgi?id=2169089

su -c 'dnf upgrade --advisory FEDORA-2023-7e04833463' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 36
Version: 2.4.22
Release: 2.fc36
Summary: HAProxy reverse proxy for high availability environments

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