July 13, 2023, 3:15 a.m. |

National Vulnerability Database web.nvd.nist.gov

coreruleset (aka OWASP ModSecurity Core Rule Set) through 3.3.4 does not block multiple Content-Type headers, which might allow attackers to bypass a WAF with a crafted payload, aka "Content-Type confusion." This occurs when the web application relies on only the last Content-Type header.

application attackers block bypass coreruleset cve header headers modsecurity owasp payload the web type confusion waf web web application

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