Reverse Proxy Vulnerability in Apache Tomcat JK ISAPI Connector

CVE-2018-1323 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

The IIS/ISAPI specific code in the Apache Tomcat JK ISAPI Connector 1.2.0 to 1.2.42 that normalised the requested path before matching it to the URI-worker map did not handle some edge cases correctly. If only a sub-set of the URLs supported by Tomcat were exposed via IIS, then it was possible for a specially constructed request to expose application functionality through the reverse proxy that was not intended for clients accessing Tomcat via the reverse proxy.

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