fkie_cve-2023-44270
Vulnerability from fkie_nvd
Published
2023-09-29 22:15
Modified
2024-11-21 08:25
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
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.
References
cve@mitre.orghttps://github.com/github/advisory-database/issues/2820Issue Tracking
cve@mitre.orghttps://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25Issue Tracking
cve@mitre.orghttps://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5Patch
cve@mitre.orghttps://github.com/postcss/postcss/releases/tag/8.4.31Patch, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/github/advisory-database/issues/2820Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/postcss/postcss/releases/tag/8.4.31Patch, Release Notes
Impacted products
Vendor Product Version
postcss postcss *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*",
                     matchCriteriaId: "FB38A6C8-B41F-41C9-9093-E46BAC3B54CB",
                     versionEndExcluding: "8.4.31",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         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 descubrió un problema en PostCSS antes de la versión 8.4.31. La vulnerabilidad afecta a los linters que utilizan PostCSS para analizar CSS externos que no son de confianza. Un atacante puede preparar CSS de tal manera que contenga partes analizadas por PostCSS como un comentario CSS. Después del procesamiento por PostCSS, se incluirá en la salida de PostCSS en los nodos CSS (reglas, propiedades) a pesar de estar incluido en un comentario.",
      },
   ],
   id: "CVE-2023-44270",
   lastModified: "2024-11-21T08:25:33.443",
   metrics: {
      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: "2023-09-29T22:15:11.867",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Issue Tracking",
         ],
         url: "https://github.com/github/advisory-database/issues/2820",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Issue Tracking",
         ],
         url: "https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
         ],
         url: "https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
            "Release Notes",
         ],
         url: "https://github.com/postcss/postcss/releases/tag/8.4.31",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
         ],
         url: "https://github.com/github/advisory-database/issues/2820",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
         ],
         url: "https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Release Notes",
         ],
         url: "https://github.com/postcss/postcss/releases/tag/8.4.31",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-74",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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