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Gentoo: GLSA 202012-23 Low Severity: Apache Tomcat Information Leak

gentoo
Calendar Grey December 24, 2020
Dist Gentoo Esm H88
The Gentoo Linux Security Advisory GLSA 202012-23 highlights a low-severity info disclosure issue in Apache Tomcat, prompting users to update to the latest stable release
A vulnerability has been discovered in Apache Tomcat that allows for the disclosure of sensitive information.

Summary

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.

Topics%20covered

Topics Covered

security advisory security issue information leak gentoo low severity information disclosure apache tomcat http/2

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
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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.

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Severity: Low
Title: Apache Tomcat: Information disclosure
Date: December 24, 2020
Bugs: #758338
ID: 202012-23

Topics%20covered

Topics Covered

security advisory security issue information leak gentoo low severity information disclosure apache tomcat http/2

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.

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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

Impact

===== A remote attacker, by sending well-timed HTTP/2 requests, could possibly obtain sensitive information.

Workaround

Disable HTTP/2 support.

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