rhsa-2024_5693
Vulnerability from csaf_redhat
Published
2024-08-21 11:56
Modified
2024-11-06 06:46
Summary
Red Hat Security Advisory: tomcat security update

Notes

Topic
An update for tomcat is now available for Red Hat Enterprise Linux 9. 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
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Improper Handling of Exceptional Conditions (CVE-2024-34750) * tomcat: Denial of Service in Tomcat (CVE-2024-38286) 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": "This vulnerability in Apache Tomcat is significant due to its impact on the stability and security of web applications relying on HTTP/2. The improper handling of excessive HTTP headers during HTTP/2 stream processing leads to an inaccurate count of active streams. This miscount causes the application to apply an incorrect infinite timeout, allowing connections to persist indefinitely. Such behavior results in uncontrolled resource consumption, potentially exhausting server resources and leading to denial of service (DoS) conditions. By exploiting this flaw, an attacker could degrade the performance or availability of the server.",
          "title": "Statement"
        },
        {
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          "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.",
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            "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",
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          "details": "Important"
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      "title": "tomcat: Improper Handling of Exceptional Conditions"
    },
    {
      "cve": "CVE-2024-38286",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2024-09-25T15:03:31.413000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2314686"
        }
      ],
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "tomcat: Denial of Service in Tomcat",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "CVE-2024-38286 represents an important security issue due to its potential to cause an `OutOfMemoryError` through the exploitation of the TLS handshake process in Apache Tomcat. This vulnerability specifically impacts configurations using TLS 1.3, which is increasingly adopted for secure communications. The ability for an attacker to trigger an OutOfMemoryError can lead to a denial-of-service (DoS) condition, effectively rendering the application or server inoperable.\n\nThe issue only affects configurations that utilize TLS 1.3.",
          "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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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-38286"
        },
        {
          "category": "external",
          "summary": "RHBZ#2314686",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2314686"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-38286",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-38286"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-38286",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38286"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/wms60cvbsz3fpbz9psxtfx8r41jl6d4s",
          "url": "https://lists.apache.org/thread/wms60cvbsz3fpbz9psxtfx8r41jl6d4s"
        }
      ],
      "release_date": "2024-09-23T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-08-21T11:56:16+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2024:5693"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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            "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",
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          "details": "Important"
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      ],
      "title": "tomcat: Denial of Service in Tomcat"
    }
  ]
}


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