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Debian LTS Advisory DLA-2688-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Sylvain Beucler
June 17, 2021                                 https://wiki.debian.org/LTS
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Package        : jetty9
Version        : 9.2.30-0+deb9u2
CVE ID         : CVE-2021-28169

Steven Seeley discovered that in jetty, a Java servlet engine and
webserver, requests to the ConcatServlet and WelcomeFilter are able to
access protected resources within the WEB-INF directory. An attacker
may access sensitive information regarding the implementation of a web
application.

For Debian 9 stretch, this problem has been fixed in version
9.2.30-0+deb9u2.

We recommend that you upgrade your jetty9 packages.

For the detailed security status of jetty9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/jetty9

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

Debian LTS: DLA-2688-1: jetty9 security update

June 17, 2021
Steven Seeley discovered that in jetty, a Java servlet engine and webserver, requests to the ConcatServlet and WelcomeFilter are able to access protected resources within the WEB-I...

Summary

For Debian 9 stretch, this problem has been fixed in version
9.2.30-0+deb9u2.

We recommend that you upgrade your jetty9 packages.

For the detailed security status of jetty9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/jetty9

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
Package : jetty9
Version : 9.2.30-0+deb9u2
CVE ID : CVE-2021-28169

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