2023-05-21 23:55:31 +00:00

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{
"id": "CVE-2021-44857",
"sourceIdentifier": "cve@mitre.org",
"published": "2021-12-17T04:15:39.137",
"lastModified": "2023-05-21T22:15:11.393",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead."
},
{
"lang": "es",
"value": "Se ha detectado un problema en MediaWiki versiones anteriores a 1.35.5, versiones 1.36.x anteriores a 1.36.3 y versiones 1.37.x anteriores a 1.37.1. Es posible usar action=mcrundo seguido de action=mcrrestore para reemplazar el contenido de cualquier p\u00e1gina arbitraria (para la que el usuario no tenga derechos de edici\u00f3n). Esto se aplica a cualquier wiki p\u00fablico, o a un wiki privado que tenga al menos una p\u00e1gina establecida en $wgWhitelistRead"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "SINGLE",
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"availabilityImpact": "NONE",
"baseScore": 4.0
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.35.5",
"matchCriteriaId": "99942EE7-37A1-42CD-B392-8ED9362430E2"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.36.0",
"versionEndExcluding": "1.36.3",
"matchCriteriaId": "7377A8D6-3B2E-4FD6-820A-4CD632158111"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.37.0",
"versionEndExcluding": "1.37.1",
"matchCriteriaId": "5950CA7B-C437-4162-A8C5-5F31625145A8"
}
]
}
]
}
],
"references": [
{
"url": "https://phabricator.wikimedia.org/T297322",
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://security.gentoo.org/glsa/202305-24",
"source": "cve@mitre.org"
},
{
"url": "https://www.mediawiki.org/wiki/2021-12_security_release/FAQ",
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
]
}
]
}