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Ubuntu Security Notice USN-5942-1

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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#vulnerability#ubuntu#apache

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Ubuntu Security Notice USN-5942-1
March 09, 2023

apache2 vulnerabilities

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

Summary:

Several security issues were fixed in Apache HTTP Server.

Software Description:

  • apache2: Apache HTTP server

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)

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. (CVE-2023-27522)

Update instructions:

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

Ubuntu 22.10:
apache2 2.4.54-2ubuntu1.2

Ubuntu 22.04 LTS:
apache2 2.4.52-1ubuntu4.4

Ubuntu 20.04 LTS:
apache2 2.4.41-4ubuntu3.14

Ubuntu 18.04 LTS:
apache2 2.4.29-1ubuntu4.27

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

References:
https://ubuntu.com/security/notices/USN-5942-1
CVE-2023-25690, CVE-2023-27522

Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.54-2ubuntu1.2
https://launchpad.net/ubuntu/+source/apache2/2.4.52-1ubuntu4.4
https://launchpad.net/ubuntu/+source/apache2/2.4.41-4ubuntu3.14
https://launchpad.net/ubuntu/+source/apache2/2.4.29-1ubuntu4.27

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