RHSA-2021:3516: Important: EAP XP 2 security update to CVE fixes in the EAP 7.3.x base
First published: Mon Sep 13 2021(Updated: )
These are CVE issues filed against XP2 releases that have been fixed in the underlying EAP 7.3.x base, so no changes to the EAP XP2 code base.<br>Security Fix(es):<br><li> undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)</li> <li> undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS (CVE-2021-3597)</li> <li> jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)</li> <li> apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)</li> <li> wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat JBoss EAP | >=7.3.0 | |
| Apache Commons IO | >=2.2<=2.6 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1948752
- https://bugzilla.redhat.com/show_bug.cgi?id=1965497
- https://bugzilla.redhat.com/show_bug.cgi?id=1970930
- https://bugzilla.redhat.com/show_bug.cgi?id=1976052
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299
- https://issues.redhat.com/browse/JBEAP-22409
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3/
- https://access.redhat.com/articles/6179301
- https://access.redhat.com/errata/RHSA-2021:3516 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2021:3516?
The severity of RHSA-2021:3516 is high due to potential denial of service vulnerabilities.
How do I fix RHSA-2021:3516?
To fix RHSA-2021:3516, update your EAP to the latest version as recommended in the advisory.
What vulnerabilities are addressed in RHSA-2021:3516?
RHSA-2021:3516 addresses buffer leak issues in the undertow component related to WebSocket PONG messages.
Who is affected by RHSA-2021:3516?
Users of EAP 7.3.x and XP2 releases are affected by the vulnerabilities outlined in RHSA-2021:3516.
Is there any workaround for RHSA-2021:3516?
There are no specific workarounds mentioned for RHSA-2021:3516; the recommended solution is to apply the relevant updates.
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