Guidance for Apache HTTP Server 2.4 vulnerabilities

[dpuigdomenec]

Spoiler

Last update 23/MAY/2024 

Advisory:

Guidance for Apache HTTP Server 2.4 vulnerabilities described in the official apache.org site:  https://httpd.apache.org/security/vulnerabilities_24.html

Affected version:Fix for CVE detected on Apache HTTP Server 2.4 versions from 2.4.1 to 2.4.59.

Update 2.4.59 released	2024-04-04
Affects	<=2.4.58

Diagnosis

Execute below command to check the version of Apache HTTP Server 2.4:

sudo apt list --installed | grep apache

If the output showing version less than 2.4.59, you will need to perform the steps to upgrade the apache2 libraries.

Solution

Prerequisites: Your Expedition VM should have connectivity to http://ppa.launchpad.net and subdomains. ONLY required to do the libraries upgrade.

Note: Optionally consider to take an snapshot of your VM.

In Expedition CLI execute below commands:

1. Update the package repository:
   sudo apt-add-repository ppa:ondrej/apache2
2. Install deb lib packages:
   sudo apt-get install apache2
3. Check packages are installed
   sudo apt list --installed | grep apache
   Expected output:
   

   apache2-bin/focal,now 2.4.59-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed,automatic]
   apache2-data/focal,now 2.4.59-1+ubuntu20.04.1+deb.sury.org+1 all [installed,automatic]
   apache2-utils/focal,now 2.4.59-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed,automatic]
   apache2/focal,now 2.4.59-1+ubuntu20.04.1+deb.sury.org+1 amd64 [installed]
   libapache2-mod-php7.0/now 7.0.33-57+ubuntu20.04.1+deb.sury.org+1 amd64 [installed,upgradable to: 7.0.33-74+ubuntu20.04.1+deb.sury.org+1]

4. Make /tmp folder writable for apache2 service
   • Open file to edit: sudo vi /lib/systemd/system/apache2.service
   • Change setting PrivateTmp from true to false (PrivateTmp=false)
   • Save file and restart below services: sudo systemctl daemon-reload; sudo systemctl restart apache2
5. Access via UI and restart the Task Management