It was officially released on December 14, 2015 . Because it is several major versions behind the current stable release, it contains multiple known vulnerabilities, including a Critical severity flaw that allows remote code execution.
The vulnerabilities found in Apache 2.4.18 serve as a reminder of the "cat and mouse" game of cybersecurity. While 2.4.18 was robust for its time, the discovery of flaws like CVE-2016-8743 and CVE-2017-3167 rendered it obsolete. Organizations must prioritize regular updates and vulnerability scanning to ensure that legacy software does not become the weakest link in their security chain. If you would like, I can:
The vulnerability in question is a buffer overflow vulnerability, which is identified as CVE-2016-2171 (Common Vulnerabilities and Exposures). This vulnerability affects Apache 2.4.18 and earlier versions. The vulnerability occurs in the mod_http2 module, which is used to handle HTTP/2 requests. apache 2.4.18 vulnerability
Patching Legacy SystemsIf you are on a system like Ubuntu 16.04 and cannot perform a full distribution upgrade, ensure you are using the latest "backported" security patches provided by the OS maintainer. While the version number may still show 2.4.18, the specific security fixes are often integrated into the package via the package manager (e.g., sudo apt-get update && sudo apt-get upgrade apache2).
The Apache 2.4.18 vulnerability is a critical issue that requires immediate attention. By understanding the technical details of this vulnerability and implementing mitigation strategies, organizations can help protect their web servers from potential exploitation. Remember to always keep your software up to date, and implement additional security measures to ensure the security and integrity of your systems. It was officially released on December 14, 2015
| Vulnerability | CVE ID | Risk | Status in 2.4.18 | | :--- | :--- | :--- | :--- | | | CVE-2021-41773 | Critical | Vulnerable (Pre-patch) | | HTTP Request Smuggling | CVE-2023-25690 | High | Vulnerable | | Options Bleed | CVE-2017-9799 | Medium | Vulnerable | | mod_sed DoS | CVE-2022-23943 | Medium | Vulnerable | | Buffer Overread | CVE-2022-22720 | Medium | Vulnerable |
Apache 2.4.18 should be treated as a compromised asset. Upgrade immediately. While 2
List the to check your current version and patch status