Attackers typically overwrite function pointers in the shared memory to execute arbitrary code with root authority.
A viable information disclosure tool, but not a remote shell exploit . Searches for an "apache 2.4.18 shell exploit" due to HTTPOXY are misguided. apache httpd 2.4.18 exploit
Primary Exploit: Local Root Privilege Escalation (CVE-2019-0211) apache httpd 2.4.18 exploit