rhsa-2020_1521
Vulnerability from csaf_redhat
Published
2020-04-21 10:55
Modified
2024-11-22 14:25
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.3 release
Notes
Topic
Red Hat JBoss Web Server 5.3.0 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
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 serves as a replacement for Red Hat JBoss Web Server 5.2, 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 AJP File Read/Inclusion Vulnerability (CVE-2020-1938)
* tomcat: local privilege escalation (CVE-2019-12418)
* tomcat: session fixation (CVE-2019-17563)
* tomcat: Regression in handling of Transfer-Encoding header allows for HTTP request smuggling (CVE-2019-17569)
* tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling (CVE-2020-1935)
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": "A privilege escalation flaw was found in Tomcat when the JMX Remote Lifecycle Listener was enabled. A local attacker without access to the Tomcat process or configuration files could be able to manipulate the RMI registry to perform a man-in-the-middle attack. The attacker could then capture user names and passwords used to access the JMX interface and gain complete control over the Tomcat instance.",
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"title": "CVSS score applicability"
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"summary": "http://mail-archives.apache.org/mod_mbox/tomcat-users/201912.mbox/%3C3f42d82c-d9e9-8893-9820-df4e420e5c4e@apache.org%3E",
"url": "http://mail-archives.apache.org/mod_mbox/tomcat-users/201912.mbox/%3C3f42d82c-d9e9-8893-9820-df4e420e5c4e@apache.org%3E"
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"text": "It was found that tomcat\u0027s FORM authentication allowed a very small period in which an attacker could possibly force a victim to use a valid user session, or Session Fixation. While practical exploit of this issue is deemed highly improbable, an abundance of caution merits it be considered a flaw. The highest threat from this vulnerability is to system availability, but also threatens data confidentiality and integrity.",
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{
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"text": "tomcat: Session fixation when using FORM authentication",
"title": "Vulnerability summary"
},
{
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"text": "All affected Red Hat products providing the affected component code should update their setups per the product fixes given.\n\nThe following Red Hat products are out of support scope for Low Impact flaws, and as such will not issue security fixes:\nRed Hat Enterprise Linux 5\nRed Hat Enterprise Linux 6\nRed Hat JBoss BPM Suite 6\nRed Hat JBoss BRMS 6",
"title": "Statement"
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"url": "http://mail-archives.apache.org/mod_mbox/www-announce/201912.mbox/%3C21b7a375-7297-581b-1f8e-06622d36775b@apache.org%3E"
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"date": "2020-04-21T10:55:39+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"scores": [
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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"details": "Low"
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"title": "tomcat: Session fixation when using FORM authentication"
},
{
"acknowledgments": [
{
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"organization": "Apache Tomcat Security Team"
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],
"cve": "CVE-2019-17569",
"cwe": {
"id": "CWE-444",
"name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
},
"discovery_date": "2019-12-12T00:00:00+00:00",
"ids": [
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"notes": [
{
"category": "description",
"text": "The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: Regression in handling of Transfer-Encoding header allows for HTTP request smuggling",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw did not affect the versions of Tomcat as shipped with Red Enterprise Linux 5, 6, 7 and 8, as they did not include the vulnerable code, which was introduced in a later version of the package.\n\nOpenDaylight in Red Hat OpenStack 10 \u0026 13 was in technical preview status, because of this no fixes will be released for it.",
"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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"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-17569"
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"date": "2020-04-21T10:55:39+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"Red Hat JBoss Web Server (JWS) 5.3"
],
"restart_required": {
"category": "none"
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"url": "https://access.redhat.com/errata/RHSA-2020:1521"
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"Red Hat JBoss Web Server (JWS) 5.3"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "tomcat: Regression in handling of Transfer-Encoding header allows for HTTP request smuggling"
},
{
"acknowledgments": [
{
"names": [
"@ZeddYu"
],
"organization": "Apache Tomcat Security Team"
}
],
"cve": "CVE-2020-1935",
"cwe": {
"id": "CWE-444",
"name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
},
"discovery_date": "2019-12-25T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1806835"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Apache Tomcat. The HTTP header parsing code used an approach to end-of-line (EOL) parsing that allowed some invalid HTTP headers to be parsed as valid. This led to the possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. The highest threat with this vulnerability is system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "OpenDaylight in Red Hat OpenStack 10 \u0026 13 was in technical preview status, because of this no fixes will be released for it.\n\nIn Red Hat Satellite 6, Candlepin is using Tomcat to provide a REST API, and has been found to be vulnerable to the flaw. However, it is currently believed that no useful attacks can be carried over.",
"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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"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-1935",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-1935"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-1935",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1935"
},
{
"category": "external",
"summary": "https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.100",
"url": "https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.100"
},
{
"category": "external",
"summary": "https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.51",
"url": "https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.51"
},
{
"category": "external",
"summary": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.31",
"url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.31"
}
],
"release_date": "2020-02-24T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-04-21T10:55:39+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"Red Hat JBoss Web Server (JWS) 5.3"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:1521"
},
{
"category": "workaround",
"details": "Workaround for Red Hat Satellite 6 is to add iptables rule to deny TCP requests of Tomcat that are not originating from the Satellite.\n\nFor other Red Hat products, either mitigation isn\u0027t available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
"product_ids": [
"Red Hat JBoss Web Server (JWS) 5.3"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"Red Hat JBoss Web Server (JWS) 5.3"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling"
},
{
"cve": "CVE-2020-1938",
"cwe": {
"id": "CWE-285",
"name": "Improper Authorization"
},
"discovery_date": "2020-02-24T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1806398"
}
],
"notes": [
{
"category": "description",
"text": "CVE-2020-1938 is a file read/inclusion vulnerability in the AJP connector in Apache Tomcat. This is enabled by default with a default configuration port of 8009. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution (RCE).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tomcat: Apache Tomcat AJP File Read/Inclusion Vulnerability",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251 and CVE page https://access.redhat.com/security/cve/cve-2020-1745",
"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 (JWS) 5.3"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-1938"
},
{
"category": "external",
"summary": "RHBZ#1806398",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1806398"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-1938",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-1938"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-1938",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1938"
},
{
"category": "external",
"summary": "https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert/",
"url": "https://meterpreter.org/cve-2020-1938-apache-tomcat-ajp-connector-remote-code-execution-vulnerability-alert/"
},
{
"category": "external",
"summary": "https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.100",
"url": "https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.100"
},
{
"category": "external",
"summary": "https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.51",
"url": "https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.51"
},
{
"category": "external",
"summary": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.31",
"url": "https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.31"
},
{
"category": "external",
"summary": "https://www.cnvd.org.cn/webinfo/show/5415",
"url": "https://www.cnvd.org.cn/webinfo/show/5415"
},
{
"category": "external",
"summary": "https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487",
"url": "https://www.tenable.com/blog/cve-2020-1938-ghostcat-apache-tomcat-ajp-file-readinclusion-vulnerability-cnvd-2020-10487"
},
{
"category": "external",
"summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
}
],
"release_date": "2020-02-20T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-04-21T10:55:39+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"Red Hat JBoss Web Server (JWS) 5.3"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:1521"
},
{
"category": "workaround",
"details": "Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251",
"product_ids": [
"Red Hat JBoss Web Server (JWS) 5.3"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
"version": "3.1"
},
"products": [
"Red Hat JBoss Web Server (JWS) 5.3"
]
}
],
"threats": [
{
"category": "exploit_status",
"date": "2022-03-03T00:00:00+00:00",
"details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
},
{
"category": "impact",
"details": "Important"
}
],
"title": "tomcat: Apache Tomcat AJP File Read/Inclusion Vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.