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Ubuntu Security Notice USN-5942-2

Ubuntu Security Notice 5942-2 - USN-5942-1 fixed vulnerabilities in Apache HTTP Server. This update provides the corresponding update for CVE-2023-25690 for Ubuntu 16.04 ESM. Lars Krapf discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain configurations. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack.

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#vulnerability#ubuntu#apache

==========================================================================
Ubuntu Security Notice USN-5942-2
March 22, 2023

apache2 vulnerability

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

  • Ubuntu 16.04 ESM

Summary:

Apache HTTP Server could allow unintended access to network services.

Software Description:

  • apache2: Apache HTTP server

Details:

USN-5942-1 fixed vulnerabilities in Apache HTTP Server. This update
provides the corresponding update for CVE-2023-25690 for Ubuntu 16.04 ESM.

Original advisory details:

Lars Krapf discovered that the Apache HTTP Server mod_proxy module
incorrectly handled certain configurations. A remote attacker could
possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2023-25690)

Update instructions:

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

Ubuntu 16.04 ESM:
apache2 2.4.18-2ubuntu3.17+esm10

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

References:
https://ubuntu.com/security/notices/USN-5942-2
https://ubuntu.com/security/notices/USN-5942-1
CVE-2023-25690

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Ubuntu Security Notice 5942-1 - Lars Krapf discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain configurations. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. Dimas Fariski Setyawan Putra discovered that the Apache HTTP Server mod_proxy_uwsgi module incorrectly handled certain special characters. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.

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