This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2021-28169 →
DEBIAN-CVE-2021-28169
For Eclipse Jetty versions
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.39-2"}]}]
Debian:13
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.39-2"}]}]
Debian:14
jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.4.39-2"}]}]
References
- advisory security-tracker.debian.org