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{
"id" : "CVE-2023-44270" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2023-09-29T22:15:11.867" ,
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"lastModified" : "2023-10-10T17:19:55.690" ,
"vulnStatus" : "Analyzed" ,
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"descriptions" : [
{
"lang" : "en" ,
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"value" : "An issue was discovered in PostCSS before 8.4.31. The vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being included in a comment."
} ,
{
"lang" : "es" ,
"value" : "Se descubri\u00f3 un problema en PostCSS antes de la versi\u00f3n 8.4.31. Afecta a los linters que utilizan PostCSS para analizar hojas de estilos en cascada (CSS) externas. Puede haber \\r discrepancies, como lo demuestra @font-face{ font:(\\r/*);} en una regla."
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}
] ,
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"metrics" : {
"cvssMetricV31" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" ,
"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "NONE" ,
"integrityImpact" : "LOW" ,
"availabilityImpact" : "NONE" ,
"baseScore" : 5.3 ,
"baseSeverity" : "MEDIUM"
} ,
"exploitabilityScore" : 3.9 ,
"impactScore" : 1.4
}
]
} ,
"weaknesses" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-74"
}
]
}
] ,
"configurations" : [
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*" ,
"versionEndExcluding" : "8.4.31" ,
"matchCriteriaId" : "FB38A6C8-B41F-41C9-9093-E46BAC3B54CB"
}
]
}
]
}
] ,
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"references" : [
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{
"url" : "https://github.com/github/advisory-database/issues/2820" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Issue Tracking"
]
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} ,
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{
"url" : "https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Issue Tracking"
]
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} ,
{
"url" : "https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Patch"
]
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} ,
{
"url" : "https://github.com/postcss/postcss/releases/tag/8.4.31" ,
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"source" : "cve@mitre.org" ,
"tags" : [
"Patch" ,
"Release Notes"
]
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}
]
}