Description
In Apache httpd 2.4.0 to 2.4.29, the expression specified in <FilesMatch> could match '$' to a newline character in a malicious filename, rather than matching only the end of the filename. This could be exploited in environments where uploads of some files are are externally blocked, but only by matching the trailing portion of the filename.
Remediation
References
Related Vulnerabilities
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MySQL CVE-2016-5442 Vulnerability (CVE-2016-5442)
MODX Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2017-7321)