rhsa-2024_9281
Vulnerability from csaf_redhat
Published
2024-11-12 09:19
Modified
2024-11-12 18:05
Summary
Red Hat Security Advisory: python-jwcrypto security update

Notes

Topic
An update for python-jwcrypto is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. 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
The python-jwcrypto package provides Python implementations of the JSON Web Key (JWK), JSON Web Signature (JWS), JSON Web Encryption (JWE), and JSON Web Token (JWT) JOSE (JSON Object Signing and Encryption) standards. Security Fix(es): * JWCrypto: denail of service Via specifically crafted JWE (CVE-2023-6681) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from 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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      "text": "Moderate"
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    "category": "csaf_security_advisory",
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for python-jwcrypto is now available for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. 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"
      },
      {
        "category": "general",
        "text": "The python-jwcrypto package provides Python implementations of the JSON Web Key (JWK), JSON Web Signature (JWS), JSON Web Encryption (JWE), and JSON Web Token (JWT) JOSE (JSON Object Signing and Encryption) standards.\n\nSecurity Fix(es):\n\n* JWCrypto: denail of service  Via specifically crafted JWE (CVE-2023-6681)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from the References section.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "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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    "publisher": {
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      {
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        "summary": "https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.5_release_notes/index",
        "url": "https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.5_release_notes/index"
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        "summary": "RHEL-34809",
        "url": "https://issues.redhat.com/browse/RHEL-34809"
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_9281.json"
      }
    ],
    "title": "Red Hat Security Advisory: python-jwcrypto security update",
    "tracking": {
      "current_release_date": "2024-11-12T18:05:00+00:00",
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      "id": "RHSA-2024:9281",
      "initial_release_date": "2024-11-12T09:19:56+00:00",
      "revision_history": [
        {
          "date": "2024-11-12T09:19:56+00:00",
          "number": "1",
          "summary": "Initial version"
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          "number": "2",
          "summary": "Last updated version"
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          "number": "3",
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      "status": "final",
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    "branches": [
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          {
            "branches": [
              {
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                "name": "Red Hat Enterprise Linux AppStream (v. 9)",
                "product": {
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                  "product_id": "AppStream-9.5.0.GA",
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    "relationships": [
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        "full_product_name": {
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          "product_id": "AppStream-9.5.0.GA:python-jwcrypto-0:1.5.6-2.el9.src"
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        "product_reference": "python-jwcrypto-0:1.5.6-2.el9.src",
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  "vulnerabilities": [
    {
      "cve": "CVE-2023-6681",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2024-01-29T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2260843"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "JWCrypto: denail of service  Via specifically crafted JWE",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified vulnerability within the jwcrypto package, presents a moderate severity concern rather than a important one due to several mitigating factors. While the unbounded PBES2 Count value in PBKDF2 algorithms can potentially facilitate a Denial of Service (DoS) attack, its severity is tempered by the fact that successful exploitation requires specific conditions and considerable computational resources. Additionally, applications not reliant on PBKDF2 can easily exclude it from their algorithms list, further reducing exposure.",
          "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": [
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          "AppStream-9.5.0.GA:python3-jwcrypto-0:1.5.6-2.el9.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-6681"
        },
        {
          "category": "external",
          "summary": "RHBZ#2260843",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2260843"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-6681",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-6681"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-6681",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6681"
        }
      ],
      "release_date": "2023-12-28T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-11-12T09:19:56+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",
          "product_ids": [
            "AppStream-9.5.0.GA:python-jwcrypto-0:1.5.6-2.el9.src",
            "AppStream-9.5.0.GA:python3-jwcrypto-0:1.5.6-2.el9.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:9281"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not 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": [
            "AppStream-9.5.0.GA:python-jwcrypto-0:1.5.6-2.el9.src",
            "AppStream-9.5.0.GA:python3-jwcrypto-0:1.5.6-2.el9.noarch"
          ]
        }
      ],
      "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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "AppStream-9.5.0.GA:python-jwcrypto-0:1.5.6-2.el9.src",
            "AppStream-9.5.0.GA:python3-jwcrypto-0:1.5.6-2.el9.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "JWCrypto: denail of service  Via specifically crafted JWE"
    }
  ]
}


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