drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Preisgabe von Informationen in Apache Tomcat
Name: |
Preisgabe von Informationen in Apache Tomcat |
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ID: |
202012-23 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Fr, 25. Dezember 2020, 09:42 |
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Referenzen: |
https://nvd.nist.gov/vuln/detail/CVE-2020-17527 |
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Applikationen: |
Apache Tomcat |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --43bzlG69GE8ESP46twbcAhHXPRS3jFwZb Content-Type: multipart/mixed; boundary="8vcGvjj15XeEREyjtfgRYw7v4LVfW0HQQ"; protected-headers="v1" From: Thomas Deutschmann <whissi@gentoo.org> Reply-To: security@gentoo.org To: gentoo-announce@lists.gentoo.org Message-ID: <b79df15e-618d-ccc6-623d-f178170ee9eb@gentoo.org> Subject: [ GLSA 202012-23 ] Apache Tomcat: Information disclosure
--8vcGvjj15XeEREyjtfgRYw7v4LVfW0HQQ Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-U Content-Transfer-Encoding: quoted-printable
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202012-23 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Low Title: Apache Tomcat: Information disclosure Date: December 24, 2020 Bugs: #758338 ID: 202012-23
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Synopsis ========
A vulnerability has been discovered in Apache Tomcat that allows for the disclosure of sensitive information.
Background ==========
Apache Tomcat is a Servlet-3.0/JSP-2.2 Container.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-servers/tomcat < 8.5.60:8.5 >= 8.5.60:8.5 < 9.0.40:9 >= 9.0.40:9
Description ===========
It was discovered that Apache Tomcat could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream.
Impact ======
A remote attacker, by sending well-timed HTTP/2 requests, could possibly obtain sensitive information.
Workaround ==========
Disable HTTP/2 support.
Resolution ==========
All Apache Tomcat 8.5.x users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/tomcat-8.5.60:8.5"
All Apache Tomcat 9.x users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/tomcat-9.0.40:9"
References ==========
[ 1 ] CVE-2020-17527 https://nvd.nist.gov/vuln/detail/CVE-2020-17527
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202012-23
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License =======
Copyright 2020 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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