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Ubuntu Security Notice USN-5869-1 ≈ Mobile Hacker For Hire

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Ubuntu Security Notice USN-5869-1
February 14, 2023

haproxy vulnerability

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

– Ubuntu 22.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS


HAProxy could allow unintended access to network services.

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


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.

Update instructions:

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

Ubuntu 22.10:
haproxy 2.4.18-1ubuntu1.2

Ubuntu 22.04 LTS:
haproxy 2.4.18-0ubuntu1.2

Ubuntu 20.04 LTS:
haproxy 2.0.29-0ubuntu1.3

Ubuntu 18.04 LTS:
haproxy 1.8.8-1ubuntu0.13

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


Package Information:

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