CVE-2018-1323 — The IIS/ISAPI specific code in the Apache Tomcat JK ISAPI Connector 1
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 i
Published
2018-03-12T16:00:00.000Z
Last modified
2024-09-17T02:16:54.351Z
01What is this vulnerability?
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…
02Affected products
| Vendor | Product | Versions |
|---|
| Apache Software Foundation | Apache Tomcat Connectors | Apache Tomcat JK ISAPI Connector 1.2.0 to 1.2.42 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2018-03-12T16:00:00.000Z
- Last modified: 2024-09-17T02:16:54.351Z
09References
- www.securityfocus.com — http://www.securityfocus.com/bid/103389
- access.redhat.com — https://access.redhat.com/errata/RHSA-2018:1843
- lists.apache.org — https://lists.apache.org/thread.html/6e146bce83578bd870893250ba8354e28f9d8e86c67…
- lists.apache.org — https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade0…
- lists.apache.org — https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3…
- lists.apache.org — https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da…
- lists.apache.org — https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a…
- lists.apache.org — https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08…
- lists.apache.org — https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f…
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