fkie_cve-2022-23476
Vulnerability from fkie_nvd
Published
2022-12-08 04:15
Modified
2024-11-21 06:48
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 `>= 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.
References
{
"configurations": [
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"nodes": [
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"cpeMatch": [
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"criteria": "cpe:2.3:a:nokogiri:nokogiri:1.13.8:*:*:*:*:ruby:*:*",
"matchCriteriaId": "5B720209-2ADC-4B12-8BEE-D5F827279B06",
"vulnerable": true
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"cveTags": [],
"descriptions": [
{
"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."
},
{
"lang": "es",
"value": "Nokogiri es una librer\u00eda XML y HTML de c\u00f3digo abierto para el lenguaje de programaci\u00f3n Ruby. Nokogiri `1.13.8` y `1.13.9` no pueden verificar el valor de retorno de `xmlTextReaderExpand` en el m\u00e9todo `Nokogiri::XML::Reader#attribute_hash`. Esto puede provocar una excepci\u00f3n de puntero null cuando se analiza un marcado no v\u00e1lido. Para las aplicaciones que utilizan `XML::Reader` para analizar entradas que no son de confianza, esto puede ser potencialmente un vector para un ataque de Denegaci\u00f3n de Servicio (DoS). Se recomienda a los usuarios actualizar a Nokogiri `\u0026gt;= 1.13.10`. Los usuarios pueden buscar en su c\u00f3digo llamadas a `XML::Reader#attributes` o `XML::Reader#attribute_hash` para determinar si est\u00e1n afectados."
}
],
"id": "CVE-2022-23476",
"lastModified": "2024-11-21T06:48:38.397",
"metrics": {
"cvssMetricV31": [
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"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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"source": "security-advisories@github.com",
"type": "Secondary"
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{
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"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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"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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"published": "2022-12-08T04:15:09.043",
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"tags": [
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"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-252"
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"lang": "en",
"value": "CWE-476"
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"source": "security-advisories@github.com",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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