Apache Releases Yet Another Emergency Update to Address Exploited Vulnerabilities

Earlier this week, Apache HTTP Server

version 2.4.50 in order to address CVE-2021-41773, a path traversal and file disclosure in the previous version (2.4.49).

A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the expected document root

If files outside of the document root are not protected by “require all denied” these requests can succeed. Additionally, this flaw could the source of interpreted files like CGI scripts.

Source

Apache Issues a New Patch

Yesterday, the organization issued the HTTP Web Server 2.4.51 version as the previous fix didn’t work as expected, being incomplete.

The Apache HTTP Server is a free and open-source cross-platform web server , developed and maintained by an open community of developers under the guidance of the Apache Software Foundation.

Most of the open-source HTTP Server instances run on a Linux distribution but current versions also run on Microsoft , OpenVMS, and a wide variety of Unix-like

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