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VuXML ID	Description
d001c189-2793-11ec-8fb1-206a8a720317	Apache httpd -- Path Traversal and Remote Code Execution The Apache http server project reports: critical: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (CVE-2021-42013). It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue only affects Apache 2.4.49 and Apache 2.4.50 and not earlier versions. Acknowledgements: Reported by Juan Escobar from Dreamlab Technologies, Fernando Munoz from NULL Life CTF Team, and Shungo Kumasaka Discovery 2021-10-07 Entry 2021-10-07 apache24 ge 2.4.49 lt 2.4.51 CVE-2021-42013

VuXML ID

Description

d001c189-2793-11ec-8fb1-206a8a720317

Apache httpd -- Path Traversal and Remote Code Execution

The Apache http server project reports:

critical: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) (CVE-2021-42013).

It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives.

If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution.

This issue only affects Apache 2.4.49 and Apache 2.4.50 and not earlier versions.

Acknowledgements: Reported by Juan Escobar from Dreamlab Technologies, Fernando Munoz from NULL Life CTF Team, and Shungo Kumasaka

Discovery 2021-10-07
Entry 2021-10-07
apache24

ge 2.4.49 lt 2.4.51

CVE-2021-42013