RHSA-2019:0450
Vulnerability from csaf_redhat - Published: 2019-03-04 17:35 - Updated: 2026-03-19 07:42Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.0 Service Pack 2 security and bug fix update
Severity
Moderate
Notes
Topic: An update is now available for Red Hat JBoss Web Server 5.0 for RHEL 6 and Red Hat JBoss Web Server 5.0 for RHEL 7.
Red Hat Product Security has rated this release as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
Details: Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.
This release of Red Hat JBoss Web Server 5.0 Service Pack 2 serves as a replacement for Red Hat JBoss Web Server 5.0 Service Pack 1, and includes bug fixes, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* tomcat: Insecure defaults in CORS filter enable 'supportsCredentials' for all origins (CVE-2018-8014)
* tomcat: host name verification missing in WebSocket client (CVE-2018-8034)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
The defaults settings for the CORS filter provided in Apache Tomcat 9.0.0.M1 to 9.0.8, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, 7.0.41 to 7.0.88 are insecure and enable 'supportsCredentials' for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default configuration. Therefore, it is expected that most users will not be impacted by this issue.
5.7 (Medium)
Vendor Fix
Before applying the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0450
Workaround
When using the CORS filter, it is recommended to configure it explicitly for your environment. In particular, the combination of `cors.allowed.origins = *` and `cors.support.credentials = True` should be avoided as this can leave your application vulnerable to cross-site scripting (XSS). For details on configuring CORS filter, please refer to https://tomcat.apache.org/tomcat-7.0-doc/config/filter.html#CORS_Filter
The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.
4.3 (Medium)
Vendor Fix
Before applying the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0450
References
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"title": "tomcat: Host name verification missing in WebSocket client"
}
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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