gsd-2022-31116
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
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's `json` module does, preserving them in the parsed output. Users are advised to upgrade. There are no known workarounds for this issue.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2022-31116",
    "description": "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.",
    "id": "GSD-2022-31116",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-31116.html",
      "https://advisories.mageia.org/CVE-2022-31116.html",
      "https://access.redhat.com/errata/RHSA-2022:8850",
      "https://access.redhat.com/errata/RHSA-2022:8864"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-31116"
      ],
      "details": "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.",
      "id": "GSD-2022-31116",
      "modified": "2023-12-13T01:19:17.603408Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-31116",
        "STATE": "PUBLIC",
        "TITLE": "Incorrect handling of invalid surrogate pair characters in ujson"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "ultrajson",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 5.4.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "ultrajson"
            }
          ]
        }
      },
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      "data_version": "4.0",
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            "value": "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."
          }
        ]
      },
      "impact": {
        "cvss": {
          "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",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-670: Always-Incorrect Control Flow Implementation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wpqr-jcpx-745r",
            "refsource": "CONFIRM",
            "url": "https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wpqr-jcpx-745r"
          },
          {
            "name": "https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687",
            "refsource": "MISC",
            "url": "https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687"
          },
          {
            "name": "FEDORA-2022-1b2b8d5177",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPPU5FZP3LCTXYORFH7NHUMYA5X66IA7/"
          },
          {
            "name": "FEDORA-2022-33e816bc37",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NAU5N4A7EUK2AMUCOLYDD5ARXAJYZBD2/"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-wpqr-jcpx-745r",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c5.4.0",
          "affected_versions": "All versions before 5.4.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-670",
            "CWE-937"
          ],
          "date": "2022-11-05",
          "description": "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 is 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.",
          "fixed_versions": [
            "5.4.0"
          ],
          "identifier": "CVE-2022-31116",
          "identifiers": [
            "CVE-2022-31116",
            "GHSA-wpqr-jcpx-745r"
          ],
          "not_impacted": "All versions starting from 5.4.0",
          "package_slug": "pypi/ujson",
          "pubdate": "2022-07-05",
          "solution": "Upgrade to version 5.4.0 or above.",
          "title": "Always-Incorrect Control Flow Implementation",
          "urls": [
            "https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wpqr-jcpx-745r",
            "https://nvd.nist.gov/vuln/detail/CVE-2022-31116",
            "https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687",
            "https://github.com/advisories/GHSA-wpqr-jcpx-745r"
          ],
          "uuid": "c5476d51-cd49-45d3-b231-588815f99ff8"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:ultrajson_project:ultrajson:*:*:*:*:*:python:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.4.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
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      },
      "cve": {
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          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2022-31116"
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-670"
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687",
              "refsource": "MISC",
              "tags": [
                "Patch",
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              ],
              "url": "https://github.com/ultrajson/ultrajson/commit/67ec07183342589d602e0fcf7bb1ff3e19272687"
            },
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              "refsource": "CONFIRM",
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              "url": "https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wpqr-jcpx-745r"
            },
            {
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                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPPU5FZP3LCTXYORFH7NHUMYA5X66IA7/"
            },
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                "Third Party Advisory"
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-11-05T03:08Z",
      "publishedDate": "2022-07-05T18:15Z"
    }
  }
}


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