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Red Hat OpenShift: CVE-2021-28169: jetty: requests to the ConcatServlet and WelcomeFilter are able to access protected resources within the WEB-INF directory

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Red Hat OpenShift: CVE-2021-28169: jetty: requests to the ConcatServlet and WelcomeFilter are able to access protected resources within the WEB-INF directory

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
06/09/2021
Created
10/28/2021
Added
10/20/2021
Modified
05/10/2023

Description

For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For example a request to `/concat?/%2557EB-INF/web.xml` can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.

Solution(s)

  • linuxrpm-upgrade-jenkins

References

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