fkie_cve-2021-26539
Vulnerability from fkie_nvd
Published
2021-02-08 17:15
Modified
2024-11-21 05:56
Severity ?
Summary
Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the "allowedIframeHostnames" option.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://advisory.checkmarx.net/advisory/CX-2021-4308 | Exploit, Third Party Advisory | |
| cve@mitre.org | https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22 | Release Notes, Third Party Advisory | |
| cve@mitre.org | https://github.com/apostrophecms/sanitize-html/pull/458 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://advisory.checkmarx.net/advisory/CX-2021-4308 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22 | Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/apostrophecms/sanitize-html/pull/458 | Patch, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | sanitize-html | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apostrophecms:sanitize-html:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "6A1A1822-184A-4E07-AB5C-C15089BD3EED",
"versionEndExcluding": "2.3.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the \"allowedIframeHostnames\" option."
},
{
"lang": "es",
"value": "Apostrophe Technologies sanitize-html antes de 2.3.1, no maneja apropiadamente los nombres de dominio internacionalizados (IDN), lo que podr\u00eda permitir a un atacante omitir la validaci\u00f3n de la lista blanca de nombres de host establecida por la opci\u00f3n \"allowedIframeHostnames\""
}
],
"id": "CVE-2021-26539",
"lastModified": "2024-11-21T05:56:26.517",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-02-08T17:15:13.673",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/apostrophecms/sanitize-html/pull/458"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://advisory.checkmarx.net/advisory/CX-2021-4308"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#231-2021-01-22"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/apostrophecms/sanitize-html/pull/458"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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