event Multi-Processing Modules (MPMs). CVE-2019-10082: HTTP/2 Read-After-Free Impact: A remote attacker can potentially read memory after it has been freed, which could lead to information disclosure. The Exploit: Using fuzzed network input during the shutdown of an HTTP/2 session can trigger the flaw. CVE-2018-17189: Slowloris DoS (mod_http2) Impact: An unauthenticated remote attacker can cause a Denial of Service (DoS). The Exploit: By sending request bodies in a "Slowloris" fashion (very slowly) to plain resources, an attacker can keep server threads occupied indefinitely, eventually exhausting resources and making the application unresponsive. HTTPoxy Vulnerability Impact: A Man-in-the-Middle (MitM) risk where an attacker can redirect application traffic. The Exploit: Attackers send a "Proxy" header in an HTTP request. Vulnerable CGI scripts may then use this header to set an internal
The most critical exploits targeting Apache 2.4.18 often leverage its handling of shared memory (the "scoreboard") or specific protocol implementations like HTTP/2. 1. CARPE (CVE-2019-0211): Local Root Privilege Escalation
: If you cannot upgrade, disable mod_status (to prevent scoreboard manipulation) and mod_http2 (to avoid DoS vectors) unless they are mission-critical. apache httpd 2.4.18 exploit
Ensure you are running a version of Apache Struts that is not vulnerable (versions 2.5.10 or later).
Consider using a Web Application Firewall to detect and prevent attacks. event Multi-Processing Modules (MPMs)
Apache HTTP Server version 2.4.18, released in late 2015, is an older version that contains several significant security flaws. While widely used at its peak, today it is highly susceptible to various exploits ranging from local privilege escalation to denial-of-service (DoS) attacks. Key Vulnerabilities and Exploits in Apache 2.4.18
To prevent similar vulnerabilities:
: Another vulnerability related to the mod_authnz_ldap module, where an attacker could send a crafted request to the server with a misconstructed Authorization header.