cve-2022-23476
Vulnerability from cvelistv5
Published
2022-12-08 03:03
Modified
2024-08-03 03:43
Summary
Unchecked return value from xmlTextReaderExpand in Nokogiri
Impacted products
sparklemotionnokogiri
Show details on NVD website


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          "dateUpdated": "2024-08-03T03:43:46.006Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj"
          },
          {
            "name": "https://github.com/sparklemotion/nokogiri/commit/85410e38410f670cbbc8c5b00d07b843caee88ce",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/sparklemotion/nokogiri/commit/85410e38410f670cbbc8c5b00d07b843caee88ce"
          },
          {
            "name": "https://github.com/sparklemotion/nokogiri/commit/9fe0761c47c0d4270d1a5220cfd25de080350d50",
            "tags": [
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            "url": "https://github.com/sparklemotion/nokogiri/commit/9fe0761c47c0d4270d1a5220cfd25de080350d50"
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        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "nokogiri",
          "vendor": "sparklemotion",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.13.8, \u003c 1.13.10"
            }
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        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "Nokogiri is an open source XML and HTML library for the Ruby programming language. Nokogiri `1.13.8` and `1.13.9` fail to check the return value from `xmlTextReaderExpand` in the method `Nokogiri::XML::Reader#attribute_hash`. This can lead to a null pointer exception when invalid markup is being parsed. For applications using `XML::Reader` to parse untrusted inputs, this may potentially be a vector for a denial of service attack. Users are advised to upgrade to Nokogiri `\u003e= 1.13.10`. Users may be able to search their code for calls to either `XML::Reader#attributes` or `XML::Reader#attribute_hash` to determine if they are affected."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
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              "cweId": "CWE-252",
              "description": "CWE-252: Unchecked Return Value",
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              "type": "CWE"
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        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476: NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-08T03:03:24.572Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
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          "name": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj",
          "tags": [
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          ],
          "url": "https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-qv4q-mr5r-qprj"
        },
        {
          "name": "https://github.com/sparklemotion/nokogiri/commit/85410e38410f670cbbc8c5b00d07b843caee88ce",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sparklemotion/nokogiri/commit/85410e38410f670cbbc8c5b00d07b843caee88ce"
        },
        {
          "name": "https://github.com/sparklemotion/nokogiri/commit/9fe0761c47c0d4270d1a5220cfd25de080350d50",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sparklemotion/nokogiri/commit/9fe0761c47c0d4270d1a5220cfd25de080350d50"
        }
      ],
      "source": {
        "advisory": "GHSA-qv4q-mr5r-qprj",
        "discovery": "UNKNOWN"
      },
      "title": "Unchecked return value from xmlTextReaderExpand in Nokogiri"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-23476",
    "datePublished": "2022-12-08T03:03:24.572Z",
    "dateReserved": "2022-01-19T21:23:53.758Z",
    "dateUpdated": "2024-08-03T03:43:46.006Z",
    "requesterUserId": "c184a3d9-dc98-4c48-a45b-d2d88cf0ac74",
    "state": "PUBLISHED"
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  }
}


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