CVE-2020-27756

{"id": "CVE-2020-27756", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2020-12-08T22:15:18.383", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894233", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1894233", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-369"}]}], "descriptions": [{"lang": "en", "value": "In ParseMetaGeometry() of MagickCore/geometry.c, image height and width calculations can lead to divide-by-zero conditions which also lead to undefined behavior. This flaw can be triggered by a crafted input file processed by ImageMagick and could impact application availability. The patch uses multiplication in addition to the function `PerceptibleReciprocal()` in order to prevent such divide-by-zero conditions. This flaw affects ImageMagick versions prior to 7.0.9-0."}, {"lang": "es", "value": "En la funci\u00f3n ParseMetaGeometry() del archivo MagickCore/geometry.c, los c\u00e1lculos de altura y ancho de la imagen pueden conllevar a condiciones de divisi\u00f3n por cero que tambi\u00e9n conllevan a un comportamiento indefinido. Este fallo puede ser desencadenado por un archivo de entrada dise\u00f1ado procesado por ImageMagick y podr\u00eda impactar la disponibilidad de la aplicaci\u00f3n. El parche utiliza la multiplicaci\u00f3n aunado a la funci\u00f3n \"PerceptibleReciprocal()\" a fin de impedir tales condiciones de divisi\u00f3n por cero. Este fallo afecta a ImageMagick versiones anteriores a 7.0.9-0"}], "lastModified": "2024-11-21T05:21:46.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "752EEB49-6865-41D2-95AB-AE2C01A3DF9B", "versionEndExcluding": "6.9.10-69", "versionStartIncluding": "6.9.9-34"}, {"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "010CA5D7-72FB-40D2-B832-30482C376823", "versionEndExcluding": "7.0.9-0", "versionStartIncluding": "7.0.0-0"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}