========================================================================== 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