rhsa-2020_0606
Vulnerability from csaf_redhat
Published
2020-02-25 17:27
Modified
2024-11-05 21:50
Summary
Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.2 security update

Notes

Topic
An update is now available for Red Hat JBoss Enterprise Application Platform 7.2. Red Hat Product Security has rated this update 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 Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This asynchronous patch is a security update for the wildfly-security-manager package in Red Hat JBoss Enterprise Application Platform 7.2. Security Fix(es): * netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling (CVE-2020-7238) For more details about the security issue(s), including the impact, a CVSS score, and other related information, see 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": "An update is now available for Red Hat JBoss Enterprise Application Platform 7.2.\n\nRed Hat Product Security has rated this update 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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        "text": "Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime.\n\nThis asynchronous patch is a security update for the wildfly-security-manager package in Red Hat JBoss Enterprise Application Platform 7.2.\n\nSecurity Fix(es):\n\n* netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling (CVE-2020-7238)\n\n\t\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, see the CVE page(s) listed in the References section.",
        "title": "Details"
      },
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        "title": "Terms of Use"
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    "title": "Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.2 security update",
    "tracking": {
      "current_release_date": "2024-11-05T21:50:57+00:00",
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        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2020-01-30T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1798524"
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      "notes": [
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          "category": "description",
          "text": "A HTTP smuggling flaw was found in HttpObjectDecoder.java in Netty in versions prior to version 4.1.44. HTTP headers with an invalid fold, in this case CRLF (carriage return, line feed) without being followed by SP (space) or HTAB (horizontal tab), result in situations where headers can be misread. Data integrity is the highest threat with this vulnerability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "netty: HTTP request smuggling",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift Container Platform ships a vulnerable netty library as part of the logging-elasticsearch5 container. ElasticSearch\u0027s security team has stated that the previous vulnerability, CVE-2019-16869, does not pose a substantial practical threat to ElasticSearch 6. We agree that these issues would be difficult to exploit on OpenShift Container Platform so we\u0027re reducing the impact of this issue to moderate and may fix it in the future release.\n\nRed Hat Satellite ships a vulnerable version of netty embedded in Candlepin. However, the flaw can not be triggered in that context, because HTTP requests are handled by Tomcat, not by netty. A future release may fix this.",
          "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": {
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        ]
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      "references": [
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-20444"
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        {
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          "summary": "RHBZ#1798524",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798524"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-20444",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-20444"
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        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-20444",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20444"
        },
        {
          "category": "external",
          "summary": "https://github.com/elastic/elasticsearch/issues/49396",
          "url": "https://github.com/elastic/elasticsearch/issues/49396"
        }
      ],
      "release_date": "2020-01-29T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-02-25T17:27:18+00:00",
          "details": "Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.\n\nThe References section of this erratum contains a download link (you must log in to download the update).\n\nYou must restart the JBoss server process for the update to take effect.",
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          "details": "* Use HTTP/2 instead (clear boundaries between requests)\n* Disable reuse of backend connections eg. ```http-reuse never``` in HAProxy or whatever equivalent LB settings",
          "product_ids": [
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      "scores": [
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
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            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
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          "details": "Important"
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      "title": "netty: HTTP request smuggling"
    },
    {
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      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2020-01-20T00:00:00+00:00",
      "ids": [
        {
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          "text": "1798509"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Netty before version 4.1.44, where it accepted multiple Content-Length headers and also accepted both Transfer-Encoding, as well as Content-Length headers where it should reject the message under such circumstances. In circumstances where Netty is used in the context of a server, it could result in a viable HTTP smuggling vulnerability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "netty: HttpObjectDecoder.java allows Content-Length header to accompanied by second Content-Length header",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift Container Platform ships a vulnerable netty library as part of the logging-elasticsearch5 container. ElasticSearch\u0027s security team has stated that the previous vulnerability, CVE-2019-16869, does not poses a substantial practical threat to ElasticSearch 6 [1]. We agree that this issue would be difficult to exploit both these vulnerabilities on OpenShift Container Platform, so we\u0027re reducing the impact of this issue to moderate and may fix it in the future release.\n\nRed Hat Satellite ships a vulnerable version of netty embedded in Candlepin. However, the flaw can not be triggered in that context, because HTTP requests are handled by Tomcat, not by netty. A future release may fix this.\n\n[1]  https://github.com/elastic/elasticsearch/issues/49396",
          "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 EAP 7.2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-20445"
        },
        {
          "category": "external",
          "summary": "RHBZ#1798509",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798509"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-20445",
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        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-20445",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20445"
        }
      ],
      "release_date": "2020-01-29T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-02-25T17:27:18+00:00",
          "details": "Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.\n\nThe References section of this erratum contains a download link (you must log in to download the update).\n\nYou must restart the JBoss server process for the update to take effect.",
          "product_ids": [
            "Red Hat JBoss EAP 7.2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:0606"
        },
        {
          "category": "workaround",
          "details": "* Use HTTP/2 instead (clear boundaries between requests)\n* Disable reuse of backend connections eg. ```http-reuse never``` in HAProxy or whatever equivalent LB settings",
          "product_ids": [
            "Red Hat JBoss EAP 7.2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat JBoss EAP 7.2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "netty: HttpObjectDecoder.java allows Content-Length header to accompanied by second Content-Length header"
    },
    {
      "cve": "CVE-2020-7238",
      "cwe": {
        "id": "CWE-444",
        "name": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027)"
      },
      "discovery_date": "2020-01-27T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1796225"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Netty, where it mishandles Transfer-Encoding whitespace. This flaw allows HTTP Request Smuggling.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift Container Platform ships a vulnerable netty library as part of the logging-elasticsearch5 container. ElasticSearch\u0027s security team has stated that the previous vulnerability, CVE-2019-16869, does not poses a substantial practical threat to ElasticSearch 6 [1]. We agree that this issue would be difficult to exploit both these vulnerabilities on OpenShift Container Platform, so we\u0027re reducing the impact of this issue to moderate and may fix it in the future release.\n\nRed Hat Satellite ships vulnerable netty version embedded in Candlepin, however, is not directly vulnerable since HTTP requests are handled by Tomcat and not netty.\n\n[1]  https://github.com/elastic/elasticsearch/issues/49396",
          "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 EAP 7.2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-7238"
        },
        {
          "category": "external",
          "summary": "RHBZ#1796225",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1796225"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-7238",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-7238"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-7238",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7238"
        },
        {
          "category": "external",
          "summary": "https://netty.io/news/2019/12/18/4-1-44-Final.html",
          "url": "https://netty.io/news/2019/12/18/4-1-44-Final.html"
        }
      ],
      "release_date": "2020-01-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-02-25T17:27:18+00:00",
          "details": "Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.\n\nThe References section of this erratum contains a download link (you must log in to download the update).\n\nYou must restart the JBoss server process for the update to take effect.",
          "product_ids": [
            "Red Hat JBoss EAP 7.2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:0606"
        },
        {
          "category": "workaround",
          "details": "* Use HTTP/2 instead (clear boundaries between requests)\n* Disable reuse of backend connections eg. ```http-reuse never``` in HAProxy or whatever equivalent LB settings",
          "product_ids": [
            "Red Hat JBoss EAP 7.2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat JBoss EAP 7.2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "netty: HTTP Request Smuggling due to Transfer-Encoding whitespace mishandling"
    }
  ]
}


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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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