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Ubuntu Security Notice USN-7135-1

Ubuntu Security Notice 7135-1 - Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg, and Harvey Tuch discovered that HAProxy incorrectly handled empty header names. A remote attacker could possibly use this issue to manipulate headers and bypass certain authentication checks and restrictions.

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==========================================================================Ubuntu Security Notice USN-7135-1December 03, 2024haproxy vulnerability==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 16.04 LTSSummary:HAProxy could allow unintended access to network services.Software Description:- haproxy: fast and reliable load balancing reverse proxyDetails:Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg,and Harvey Tuch discovered that HAProxy incorrectly handled empty headernames. A remote attacker could possibly use this issue to manipulateheaders and bypass certain authentication checks and restrictions.Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 16.04 LTS  haproxy                         1.6.3-1ubuntu0.3+esm2                                  Available with Ubuntu ProIn general, a standard system update will make all the necessary changes.References:  https://ubuntu.com/security/notices/USN-7135-1  CVE-2023-25725

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