High severity7.5NVD Advisory· Published Mar 12, 2018· Updated Jun 17, 2026
CVE-2018-1323
CVE-2018-1323
Description
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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Affected products
3- Range: >=1.2.0, <=1.2.42
- Range: Apache Tomcat JK ISAPI Connector 1.2.0 to 1.2.42
Patches
Vulnerability mechanics
References
9- www.securityfocus.com/bid/103389nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:1843nvdThird Party Advisory
- lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org%3Envd
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