Ubuntu 6885-1: Apache HTTP Server Security Advisory Updates
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in Apache HTTP Server. Software Description: - apache2: Apache HTTP server Details: Marc Stern discovered that the Apache HTTP Server incorrectly handled serving WebSocket protocol upgrades over HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2024-36387) Orange Tsai discovered that the Apache HTTP Server mod_proxy module incorrectly sent certain request URLs with incorrect encodings to backends. A remote attacker could possibly use this issue to bypass authentication. (CVE-2024-38473) Orange Tsai discovered that the Apache HTTP Server mod_rewrite module incorrectly handled certain substitutions. A remote attacker could possibly use this issue to execute scripts in directories not directly reachable by any URL, or cause a denial of service. Some environments may require using the new UnsafeAllow3F flag to handle unsafe substitutions. (CVE-2024-38474, CVE-2024-38475, CVE-2024-39573) Orange Tsai discovered that the Apache HTTP Server incorrectly handled certain response headers. A remote attacker could possibly use this issue to obtain sensitive information, execute local scripts, or perform SSRF attacks. (CVE-2024-38476) Orange Tsai discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain requests. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2024-38477) It was discovered that the Apache HTTP Server incorrectly handled certain handlers configured via AddType. A remote attacker could possibly use this issue to obtain source code. (CVE-2024-39884)
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS apache2 2.4.58-1ubuntu8.2 Ubuntu 23.10 apache2 2.4.57-2ubuntu2.5 Ubuntu 22.04 LTS apache2 2.4.52-1ubuntu4.10 Ubuntu 20.04 LTS apache2 2.4.41-4ubuntu3.19 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6885-1
CVE-2024-36387, CVE-2024-38473, CVE-2024-38474, CVE-2024-38475,
CVE-2024-38476, CVE-2024-38477, CVE-2024-39573, CVE-2024-39884
![Dist Ubuntu](/images/distros/dist-ubuntu.png)
Package Information
https://launchpad.net/ubuntu/+source/apache2/2.4.58-1ubuntu8.2 https://launchpad.net/ubuntu/+source/apache2/2.4.57-2ubuntu2.5 https://launchpad.net/ubuntu/+source/apache2/2.4.52-1ubuntu4.10 https://launchpad.net/ubuntu/+source/apache2/2.4.41-4ubuntu3.19