rhsa-2021_3743
Vulnerability from csaf_redhat
Published
2021-10-06 14:22
Modified
2024-09-13 17:28
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.5.1 Security Update
Notes
Topic
Red Hat JBoss Web Server 5.5.1 zip release is now available for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, and Microsoft Windows.
Red Hat Product Security has rated this release as having a security impact of Important. 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 5.5.1 serves as a replacement for Red Hat JBoss Web Server 5.5.0, and includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes, linked to in the References.
Security Fix(es):
* tomcat: Apache Tomcat DoS with unexpected TLS packet (CVE-2021-41079)
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.
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"text": "Red Hat JBoss Web Server 5.5.1 zip release is now available for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, and Microsoft Windows.\n\nRed Hat Product Security has rated this release as having a security impact of Important. 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.",
"title": "Topic"
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{
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"text": "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.\n\nThis release of Red Hat JBoss Web Server 5.5.1 serves as a replacement for Red Hat JBoss Web Server 5.5.0, and includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes, linked to in the References.\n\nSecurity Fix(es):\n\n* tomcat: Apache Tomcat DoS with unexpected TLS packet (CVE-2021-41079)\n\nFor 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.",
"title": "Details"
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"title": "Red Hat Security Advisory: Red Hat JBoss Web Server 5.5.1 Security Update",
"tracking": {
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"id": "RHSA-2021:3743",
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"revision_history": [
{
"date": "2021-10-06T14:22:25+00:00",
"number": "1",
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{
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"cve": "CVE-2021-41079",
"cwe": {
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"name": "Uncontrolled Resource Consumption"
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"discovery_date": "2021-09-15T00:00:00+00:00",
"ids": [
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"text": "2004820"
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"notes": [
{
"category": "description",
"text": "A flaw was found in Apache Tomcat. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet can trigger an infinite loop, resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
"title": "Vulnerability description"
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{
"category": "summary",
"text": "tomcat: Infinite loop while reading an unexpected TLS packet when using OpenSSL JSSE engine",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "In Red Hat Certificate System versions 9 and older, the version of Tomcat used is not affected by this flaw.\nIn Red Hat Certificate System 10, Tomcat is affected by this flaw. However, Tomcat is configured so that it does not use OpenSSLEngine, but the Dogtag JSS SSL implementation. As a result, the flaw can not be reached.",
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{
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"summary": "https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E",
"url": "https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E"
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{
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"summary": "https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.4",
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"release_date": "2021-09-15T00:00:00+00:00",
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"scores": [
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"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"title": "tomcat: Infinite loop while reading an unexpected TLS packet when using OpenSSL JSSE engine"
}
]
}
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