rhsa-2024_2559
Vulnerability from csaf_redhat
Published
2024-04-30 13:36
Modified
2024-11-06 05:42
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.
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): * python-jwcrypto: malicious JWE token can cause denial of service (CVE-2024-28102) 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": "An update for python-jwcrypto is now available for Red Hat Enterprise Linux 9.",
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      {
        "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* python-jwcrypto: malicious JWE token can cause denial of service (CVE-2024-28102)\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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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2559.json"
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    "title": "Red Hat Security Advisory: python-jwcrypto security update",
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  "vulnerabilities": [
    {
      "cve": "CVE-2024-28102",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2024-03-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2268758"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An uncontrolled resource consumption vulnerability was found in python-jwcrypto. If a malicious JWE token with a high compression ratio is passed to the server, the server will consume a lot of memory and processing time, leading to a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "python-jwcrypto: malicious JWE token can cause denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The CVE-2024-28102 vulnerability in JWCrypto represents a moderate severity issue due to its potential impact on system availability and resource consumption. While the vulnerability allows for a denial of service (DoS) attack, it requires an attacker to craft a malicious JWE Token with a high compression ratio. This specific condition limits the practical exploitability of the vulnerability to some extent, as it demands a more sophisticated attack approach than common vulnerabilities. Nonetheless, if exploited, the vulnerability can lead to significant memory exhaustion and increased server processing time, impacting the overall performance and availability of the affected system.",
          "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": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2024-28102"
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          "category": "external",
          "summary": "RHBZ#2268758",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2268758"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-28102",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-28102"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-28102",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-28102"
        },
        {
          "category": "external",
          "summary": "https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f",
          "url": "https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f"
        },
        {
          "category": "external",
          "summary": "https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97",
          "url": "https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97"
        }
      ],
      "release_date": "2024-03-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-04-30T13:36:16+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": [
            "AppStream-9.4.0.Z.MAIN.EUS:python-jwcrypto-0:0.8-5.el9_4.src",
            "AppStream-9.4.0.Z.MAIN.EUS:python3-jwcrypto-0:0.8-5.el9_4.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:2559"
        },
        {
          "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.",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-9.4.0.Z.MAIN.EUS:python-jwcrypto-0:0.8-5.el9_4.src",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "python-jwcrypto: malicious JWE token can cause denial of service"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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