rhsa-2020_5173
Vulnerability from csaf_redhat
Published
2020-11-23 12:05
Modified
2024-09-13 22:10
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.4 security release
Notes
Topic
Red Hat JBoss Web Server 5.4.0 zip release for RHEL 6, RHEL 7, RHEL 8 and Microsoft Windows is available.
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 5.4 serves as a replacement for Red Hat JBoss Web Server 5.3, and includes bug fixes, enhancements, and component upgrades, which are documented in the Release Notes, linked to in the References.
Security Fix(es):
* tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS (CVE-2020-11996)
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.
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Red Hat JBoss Web Server 5.4.0 zip release for RHEL 6, RHEL 7, RHEL 8 and Microsoft Windows is available.\n\nRed 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.",
"title": "Topic"
},
{
"category": "general",
"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 5.4 serves as a replacement for Red Hat JBoss Web Server 5.3, 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: specially crafted sequence of HTTP/2 requests can lead to DoS (CVE-2020-11996)\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"
},
{
"category": "legal_disclaimer",
"text": "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.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat offerings.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2020:5173",
"url": "https://access.redhat.com/errata/RHSA-2020:5173"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#moderate",
"url": "https://access.redhat.com/security/updates/classification/#moderate"
},
{
"category": "external",
"summary": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver\u0026downloadType=distributions\u0026version=5.4",
"url": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver\u0026downloadType=distributions\u0026version=5.4"
},
{
"category": "external",
"summary": "https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Web_Server/5.4",
"url": "https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Web_Server/5.4"
},
{
"category": "external",
"summary": "1851420",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1851420"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_5173.json"
}
],
"title": "Red Hat Security Advisory: Red Hat JBoss Web Server 5.4 security release",
"tracking": {
"current_release_date": "2024-09-13T22:10:37+00:00",
"generator": {
"date": "2024-09-13T22:10:37+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "3.33.3"
}
},
"id": "RHSA-2020:5173",
"initial_release_date": "2020-11-23T12:05:32+00:00",
"revision_history": [
{
"date": "2020-11-23T12:05:32+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2020-11-23T12:05:32+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-09-13T22:10:37+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat JBoss Web Server 5",
"product": {
"name": "Red Hat JBoss Web Server 5",
"product_id": "Red Hat JBoss Web Server 5",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4"
}
}
}
],
"category": "product_family",
"name": "Red Hat JBoss Web Server"
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2020-11996",
"cwe": {
"id": "CWE-400",
"name": "Uncontrolled Resource Consumption"
},
"discovery_date": "2020-06-25T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1851420"
}
],
"notes": [
{
"category": "description",
"text": "A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat OpenStack Platform\u0027s OpenDaylight will not be updated for this flaw because it was deprecated as of RHOSP14 and is only receiving security fixes for Important and Critical flaws.\nApache Tomcat versions as shipped with Red Hat Enterprise Linux 6 and 7 are not affected by this flaw as it doesn\u0027t support HTTP/2 protocol.\nRed Hat Enterprise Linux 8\u0027s Identity Management is using an affected version of Tomcat bundled within PKI servlet engine, however HTTP/2 protocol is not supported by this component.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat JBoss Web Server 5"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-11996"
},
{
"category": "external",
"summary": "RHBZ#1851420",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1851420"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-11996",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-11996"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-11996",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11996"
},
{
"category": "external",
"summary": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202006.mbox/%3Cfd56bc1d-1219-605b-99c7-946bf7bd8ad4%40apache.org%3E",
"url": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202006.mbox/%3Cfd56bc1d-1219-605b-99c7-946bf7bd8ad4%40apache.org%3E"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M6",
"url": "http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M6"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.56",
"url": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.56"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.36",
"url": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.36"
}
],
"release_date": "2020-06-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link for the update. You must be logged in to download the update.",
"product_ids": [
"Red Hat JBoss Web Server 5"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:5173"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"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",
"version": "3.1"
},
"products": [
"Red Hat JBoss Web Server 5"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS"
}
]
}
Loading...