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ModSecurity < 2.5.9 Multipart Request Header Name DoS



The remote web application firewall may be affected by a denial of service vulnerability


According to its banner, the version of ModSecurity installed on the remote host is earlier than 2.5.9. It is, therefore, potentially affected by a denial of service vulnerability. An error exists related to multipart form HTTP POST requests with a missing part header name that could allow an attacker to crash the application.


Upgrade to ModSecurity version 2.5.9 or later.