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org.eclipse.jetty:jetty-servlets@8.1.0.RC2 vulnerabilities

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Direct Vulnerabilities

Known vulnerabilities in the org.eclipse.jetty:jetty-servlets package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Information Exposure

org.eclipse.jetty:jetty-servlets is an Utility Servlets from Jetty

Affected versions of this package are vulnerable to Information Exposure. Requests to the ConcatServlet and WelcomeFilter are able to access protected resources within the WEB-INF directory. For example, a request to the ConcatServlet with a URI of /concat?/%2557EB-INF/web.xml can retrieve the web.xml file.

This occurs because both ConcatServlet and WelcomeFilter decode the supplied path to verify it is not within the WEB-INF or META-INF directories. It then uses this decoded path to call RequestDispatcher which will also do decoding of the path. This double decoding allows paths with a doubly encoded WEB-INF to bypass this security check.

How to fix Information Exposure?

Upgrade org.eclipse.jetty:jetty-servlets to version 9.4.41, 10.0.3, 11.0.3 or higher.

[,9.4.41) [10.0.0,10.0.3) [11.0.0,11.0.3)
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