{ "id": "CVE-2020-26298", "sourceIdentifier": "security-advisories@github.com", "published": "2021-01-11T19:15:13.133", "lastModified": "2024-11-21T05:19:47.920", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit." }, { "lang": "es", "value": "Redcarpet es una biblioteca de Ruby para el procesamiento de Descuentos. En Redcarpet versiones anteriores a 3.5.1, se presenta una vulnerabilidad de inyecci\u00f3n que puede habilitar un ataque de tipo cross-site scripting. En las versiones afectadas, no se llevaba a cabo ning\u00fan escape HTML al procesar las cotizaciones. Esto aplica incluso cuando la opci\u00f3n \":escape_html\" hab\u00eda sido usada. Esto es corregido en la versi\u00f3n 3.5.1 mediante la confirmaci\u00f3n de referencia" } ], "metrics": { "cvssMetricV31": [ { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N", "baseScore": 6.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.3, "impactScore": 4.0 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.3, "impactScore": 2.7 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "baseScore": 3.5, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE" }, "baseSeverity": "LOW", "exploitabilityScore": 6.8, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "security-advisories@github.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-74" }, { "lang": "en", "value": "CWE-79" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:redcarpet_project:redcarpet:*:*:*:*:*:ruby:*:*", "versionEndExcluding": "3.5.1", "matchCriteriaId": "902228CC-361A-4FB7-B856-DB57477CD68F" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" } ] } ] } ], "references": [ { "url": "https://github.com/advisories/GHSA-q3wr-qw3g-3p4h", "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security", "source": "security-advisories@github.com", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793", "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html", "source": "security-advisories@github.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/", "source": "security-advisories@github.com" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/", "source": "security-advisories@github.com" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/", "source": "security-advisories@github.com" }, { "url": "https://rubygems.org/gems/redcarpet", "source": "security-advisories@github.com", "tags": [ "Product", "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2021/dsa-4831", "source": "security-advisories@github.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/advisories/GHSA-q3wr-qw3g-3p4h", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://rubygems.org/gems/redcarpet", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Product", "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2021/dsa-4831", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }