rhsa-2022_8850
Vulnerability from csaf_redhat
Published
2022-12-07 19:19
Modified
2024-11-22 20:15
Summary
Red Hat Security Advisory: Red Hat OpenStack Platform 16.2.4 (python-ujson) security update

Notes

Topic
An update for python-ujson is now available for Red Hat OpenStack Platform 16.2.4 (Train) for Red Hat Enterprise Linux (RHEL) 8.4. 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
UltraJSON is an ultra fast JSON encoder and decoder Security Fix(es): * improper decoding of escaped surrogate characters may lead to string corruption key confusion or value overwriting (CVE-2022-31116) * Potential double free of buffer during string decoding (CVE-2022-31117) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page 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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  "vulnerabilities": [
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        "name": "Improper Handling of Syntactically Invalid Structure"
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          "text": "UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Affected versions were found to improperly decode certain characters. JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting strings, this allowed for potential key confusion and value overwriting in dictionaries. All users parsing JSON from untrusted sources are vulnerable. From version 5.4.0, UltraJSON decodes lone surrogates in the same way as the standard library\u0027s `json` module does, preserving them in the parsed output. Users are advised to upgrade. There are no known workarounds for this issue.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "python-ujson: improper decoding of escaped surrogate characters may lead to string corruption, key confusion or value overwriting",
          "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"
        }
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      "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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      "threats": [
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          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "python-ujson: improper decoding of escaped surrogate characters may lead to string corruption, key confusion or value overwriting"
    },
    {
      "cve": "CVE-2022-31117",
      "cwe": {
        "id": "CWE-415",
        "name": "Double Free"
      },
      "discovery_date": "2022-07-07T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2104739"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. In versions prior to 5.4.0 an error occurring while reallocating a buffer for string decoding can cause the buffer to get freed twice. Due to how UltraJSON uses the internal decoder, this double free is impossible to trigger from Python. This issue has been resolved in version 5.4.0 and all users should upgrade to UltraJSON 5.4.0. There are no known workarounds for this issue.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "python-ujson: Potential double free of buffer during string decoding",
          "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": [
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-31117"
        },
        {
          "category": "external",
          "summary": "RHBZ#2104739",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2104739"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-31117",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-31117"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-31117",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31117"
        },
        {
          "category": "external",
          "summary": "https://github.com/ultrajson/ultrajson/security/advisories/GHSA-fm67-cv37-96ff",
          "url": "https://github.com/ultrajson/ultrajson/security/advisories/GHSA-fm67-cv37-96ff"
        }
      ],
      "release_date": "2022-07-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-12-07T19:19:07+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      "threats": [
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          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "python-ujson: Potential double free of buffer during string decoding"
    }
  ]
}


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