rhsa-2019_3931
Vulnerability from csaf_redhat
Published
2019-11-20 16:04
Modified
2024-11-05 21:37
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 5.2 security release

Notes

Topic
Red Hat JBoss Web Server 5.2.0 zip release for RHEL 6, RHEL 7, RHEL 8 and Microsoft Windows is available. 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 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. Refer to the Release Notes for information on the most significant bug fixes, enhancements and component upgrades included in this release. Security Fix(es): * openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash) (CVE-2018-5407) * tomcat: XSS in SSI printenv (CVE-2019-0221) * openssl: 0-byte record padding oracle (CVE-2019-1559) * tomcat: HTTP/2 implementation leads to denial of service (CVE-2019-10072) * tomcat: Apache Tomcat HTTP/2 DoS (CVE-2019-0199) 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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{
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    "notes": [
      {
        "category": "summary",
        "text": "Red Hat JBoss Web Server 5.2.0 zip release for RHEL 6, RHEL 7, RHEL 8 and Microsoft Windows is available.\n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom 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 \nRefer to the Release Notes for information on the most significant bug fixes, enhancements and component upgrades included in this release.\n\nSecurity Fix(es):\n\n* openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash) (CVE-2018-5407) \n* tomcat: XSS in SSI printenv (CVE-2019-0221) \n* openssl: 0-byte record padding oracle (CVE-2019-1559) \n* tomcat: HTTP/2 implementation leads to denial of service (CVE-2019-10072)\n* tomcat: Apache Tomcat HTTP/2 DoS (CVE-2019-0199)\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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        "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"
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    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2019:3931",
        "url": "https://access.redhat.com/errata/RHSA-2019:3931"
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        "summary": "1693325",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1693325"
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        "category": "external",
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      },
      {
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3931.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat JBoss Web Server 5.2 security release",
    "tracking": {
      "current_release_date": "2024-11-05T21:37:01+00:00",
      "generator": {
        "date": "2024-11-05T21:37:01+00:00",
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      "id": "RHSA-2019:3931",
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      "revision_history": [
        {
          "date": "2019-11-20T16:04:24+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2019-12-02T16:22:21+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-05T21:37:01+00:00",
          "number": "3",
          "summary": "Last generated version"
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      "status": "final",
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                "name": "Red Hat JBoss Web Server 5",
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            "name": "Red Hat JBoss Web Server"
          }
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        "category": "vendor",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Alejandro Cabrera Aldaya"
          ],
          "organization": "Universidad Tecnologica de la Habana CUJAE; Cuba"
        },
        {
          "names": [
            "Billy Bob Brumley",
            "Cesar Pereida Garcia",
            "Sohaib ul Hassan"
          ]
        },
        {
          "names": [
            "Nicola Tuveri"
          ],
          "organization": "Tampere University of Technology; Finland"
        }
      ],
      "cve": "CVE-2018-5407",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2018-11-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1645695"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A microprocessor side-channel vulnerability was found on SMT (e.g, Hyper-Threading) architectures. An attacker running a malicious process on the same core of the processor as the victim process can extract certain secret information.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash)",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is a timing side-channel flaw on processors which implement SMT/Hyper-Threading architectures. It can result in leakage of secret data in applications such as OpenSSL that has secret dependent control flow at any granularity level. In order to exploit this flaw, the attacker needs to run a malicious process on the same core of the processor as the victim process.",
          "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-2018-5407"
        },
        {
          "category": "external",
          "summary": "RHBZ#1645695",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1645695"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-5407",
          "url": "https://www.cve.org/CVERecord?id=CVE-2018-5407"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-5407",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5407"
        },
        {
          "category": "external",
          "summary": "https://github.com/bbbrumley/portsmash",
          "url": "https://github.com/bbbrumley/portsmash"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20181112.txt",
          "url": "https://www.openssl.org/news/secadv/20181112.txt"
        }
      ],
      "release_date": "2018-10-30T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-11-20T16:04:24+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 5"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:3931"
        },
        {
          "category": "workaround",
          "details": "At this time Red Hat Engineering is working on patches for openssl package in Red Hat Enterprise Linux 7 to address this issue.  Until fixes are available, users are advised to review the guidance supplied in the L1 Terminal Fault vulnerability article: https://access.redhat.com/security/vulnerabilities/L1TF and decide what their exposure across shared CPU threads are and act accordingly.",
          "product_ids": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash)"
    },
    {
      "cve": "CVE-2019-0199",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-03-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1693325"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Apache Tomcat, where the HTTP/2 implementation accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open, which enables them to cause server-side threads to block. This flaw eventually leads to a denial of service attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "tomcat: Apache Tomcat HTTP/2 DoS",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "pki-servlet-container does not use HTTP/2 in its default configuration.",
          "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-2019-0199"
        },
        {
          "category": "external",
          "summary": "RHBZ#1693325",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1693325"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-0199",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-0199"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0199",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0199"
        }
      ],
      "release_date": "2019-03-25T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-11-20T16:04:24+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 5"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:3931"
        }
      ],
      "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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "tomcat: Apache Tomcat HTTP/2 DoS"
    },
    {
      "cve": "CVE-2019-0221",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2019-05-23T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1713275"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The SSI printenv command in Apache Tomcat 9.0.0.M1 to 9.0.0.17, 8.5.0 to 8.5.39 and 7.0.0 to 7.0.93 echoes user provided data without escaping and is, therefore, vulnerable to XSS. SSI is disabled by default. The printenv command is intended for debugging and is unlikely to be present in a production website.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "tomcat: XSS in SSI printenv",
          "title": "Vulnerability summary"
        },
        {
          "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-2019-0221"
        },
        {
          "category": "external",
          "summary": "RHBZ#1713275",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1713275"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-0221",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-0221"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0221",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0221"
        }
      ],
      "release_date": "2019-04-13T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-11-20T16:04:24+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 5"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:3931"
        },
        {
          "category": "workaround",
          "details": "SSI is disabled in the default Tomcat configuration. The vulnerable printenv command is intended for debugging, and is recommended to not be enabled for a production website.",
          "product_ids": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "tomcat: XSS in SSI printenv"
    },
    {
      "cve": "CVE-2019-1559",
      "cwe": {
        "id": "CWE-325",
        "name": "Missing Cryptographic Step"
      },
      "discovery_date": "2019-02-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1683804"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable \"non-stitched\" ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Also the application must call SSL_shutdown() twice even if a protocol error has occurred (applications should not do this but some do anyway). Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: 0-byte record padding oracle",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "1 For this issue to be exploitable, the (server) application using the OpenSSL library needs to use it incorrectly.\n2. There are multiple other requirements for the attack to succeed: \n    - The ciphersuite used must be obsolete CBC cipher without a stitched implementation (or the system be in FIPS mode)\n    - the attacker has to be a MITM\n    - the attacker has to be able to control the client side to send requests to the buggy server on demand",
          "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-2019-1559"
        },
        {
          "category": "external",
          "summary": "RHBZ#1683804",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1683804"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-1559",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-1559"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-1559",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1559"
        },
        {
          "category": "external",
          "summary": "https://github.com/RUB-NDS/TLS-Padding-Oracles",
          "url": "https://github.com/RUB-NDS/TLS-Padding-Oracles"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20190226.txt",
          "url": "https://www.openssl.org/news/secadv/20190226.txt"
        }
      ],
      "release_date": "2019-02-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-11-20T16:04:24+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 5"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:3931"
        },
        {
          "category": "workaround",
          "details": "As a workaround you can disable SHA384 if applications (compiled with OpenSSL) allow for adjustment of the ciphersuite string configuration.",
          "product_ids": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openssl: 0-byte record padding oracle"
    },
    {
      "cve": "CVE-2019-10072",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-06-25T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1723708"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "tomcat: HTTP/2 connection window exhaustion on write, incomplete fix of CVE-2019-0199",
          "title": "Vulnerability summary"
        },
        {
          "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-2019-10072"
        },
        {
          "category": "external",
          "summary": "RHBZ#1723708",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1723708"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-10072",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-10072"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-10072",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10072"
        },
        {
          "category": "external",
          "summary": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.41",
          "url": "http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.41"
        },
        {
          "category": "external",
          "summary": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.20",
          "url": "http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.20"
        }
      ],
      "release_date": "2019-06-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-11-20T16:04:24+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 5"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:3931"
        },
        {
          "category": "workaround",
          "details": "pki-servlet-container does not use HTTP/2 in its default configuration.",
          "product_ids": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "Red Hat JBoss Web Server 5"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "tomcat: HTTP/2 connection window exhaustion on write, incomplete fix of CVE-2019-0199"
    }
  ]
}


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