rhsa-2020_2509
Vulnerability from csaf_redhat
Published
2020-06-10 17:05
Modified
2024-09-13 22:41
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.3.1 security update
Notes
Topic
Updated Red Hat JBoss Web Server 5.3.1 packages are now available for Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 and 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 5.3.1 serves as a replacement for Red Hat JBoss Web Server 5.3.0, 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 Remote Code Execution via session persistence (CVE-2020-9484)
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": "Updated Red Hat JBoss Web Server 5.3.1 packages are now available for Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 and 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 5.3.1 serves as a replacement for Red Hat JBoss Web Server 5.3.0, 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 Remote Code Execution via session persistence (CVE-2020-9484)\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": "Terms of Use"
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"references": [
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"summary": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver\u0026downloadType=securityPatches\u0026version=5.3",
"url": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver\u0026downloadType=securityPatches\u0026version=5.3"
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"summary": "1838332",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1838332"
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_2509.json"
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],
"title": "Red Hat Security Advisory: Red Hat JBoss Web Server 5.3.1 security update",
"tracking": {
"current_release_date": "2024-09-13T22:41:17+00:00",
"generator": {
"date": "2024-09-13T22:41:17+00:00",
"engine": {
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"version": "3.33.3"
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"id": "RHSA-2020:2509",
"initial_release_date": "2020-06-10T17:05:40+00:00",
"revision_history": [
{
"date": "2020-06-10T17:05:40+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2020-06-10T17:05:40+00:00",
"number": "2",
"summary": "Last updated version"
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{
"date": "2024-09-13T22:41:17+00:00",
"number": "3",
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"status": "final",
"version": "3"
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"branches": [
{
"category": "product_name",
"name": "Red Hat JBoss Web Server (JWS) 5.3",
"product": {
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"vulnerabilities": [
{
"cve": "CVE-2020-9484",
"cwe": {
"id": "CWE-502",
"name": "Deserialization of Untrusted Data"
},
"discovery_date": "2020-05-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1838332"
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],
"notes": [
{
"category": "description",
"text": "A deserialization flaw was discovered in Apache Tomcat\u0027s use of a FileStore. Under specific circumstances, an attacker can use a specially crafted request to trigger Remote Code Execution through deserialization of the file under their control. The highest threat from the vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "Vulnerability description"
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{
"category": "summary",
"text": "tomcat: deserialization flaw in session persistence storage leading to RCE",
"title": "Vulnerability summary"
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{
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"text": "In Red Hat Enterprise Linux 8, Red Hat Certificate System 10 and Identity Management are using the pki-servlet-engine component, which embeds a vulnerable version of Tomcat. However, in these specific contexts, the prerequisites to the vulnerability are not met. The PersistentManager is not set, and a SecurityManager is used. The use of pki-servlet-engine outside of these contexts is not supported. As a result, the vulnerability can not be triggered in supported configurations of these products. A future update may update Tomcat in pki-servlet-engine.\n\nRed Hat Satellite do not ship Tomcat and rather use its configuration. The product is not affected because configuration does not make use of PersistanceManager or FileStore. Tomcat updates can be obtain from Red Hat Enterprise Linux (RHEL) RHSA.",
"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"
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],
"product_status": {
"fixed": [
"Red Hat JBoss Web Server (JWS) 5.3"
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"category": "self",
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"url": "https://access.redhat.com/security/cve/CVE-2020-9484"
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"summary": "RHBZ#1838332",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1838332"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-9484",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-9484"
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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-9484",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9484"
},
{
"category": "external",
"summary": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202005.mbox/%3Ce3a0a517-bf82-ba62-0af6-24b83ea0e4e2%40apache.org%3E",
"url": "http://mail-archives.apache.org/mod_mbox/tomcat-announce/202005.mbox/%3Ce3a0a517-bf82-ba62-0af6-24b83ea0e4e2%40apache.org%3E"
},
{
"category": "external",
"summary": "http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M5",
"url": "http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M5"
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{
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"summary": "http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.104",
"url": "http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.104"
},
{
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"summary": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.55",
"url": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.55"
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{
"category": "external",
"summary": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.35",
"url": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.35"
}
],
"release_date": "2020-05-20T00:00:00+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": [
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2020:2509"
},
{
"category": "workaround",
"details": "Users may configure the PersistenceManager with an appropriate value for sessionAttributeValueClassNameFilter to ensure that only application provided attributes are serialized and deserialized. For more details about the configuration, refer to the Apache Tomcat 9 Configuration Reference https://tomcat.apache.org/tomcat-9.0-doc/config/manager.html.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "tomcat: deserialization flaw in session persistence storage leading to RCE"
}
]
}
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