CVE-2020-25676

{"id": "CVE-2020-25676", "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": "2020-12-08T22:15:17.477", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1891934", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "In CatromWeights(), MeshInterpolate(), InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo(), which are all functions in /MagickCore/pixel.c, there were multiple unconstrained pixel offset calculations which were being used with the floor() function. These calculations produced undefined behavior in the form of out-of-range and integer overflows, as identified by UndefinedBehaviorSanitizer. These instances of undefined behavior could be triggered by an attacker who is able to supply a crafted input file to be processed by ImageMagick. These issues could impact application availability or potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0."}, {"lang": "es", "value": "En CatromWeights(), MeshInterpolate(), InterpolatePixelChannel(), InterpolatePixelChannels() e InterpolatePixelInfo(), que son todas funciones en el archivo /MagickCore/pixel.c, hab\u00eda varios c\u00e1lculos de desplazamiento de p\u00edxeles sin restricciones que se estaban utilizando con la funci\u00f3n floor(). Estos c\u00e1lculos produjeron un comportamiento indefinido en forma de desbordamientos de enteros y fuera de rango, seg\u00fan lo identificado por UndefinedBehaviorSanitizer. Estas instancias de comportamiento indefinido podr\u00edan ser desencadenadas por un atacante que pueda suministrar un archivo de entrada dise\u00f1ado para ser procesado por ImageMagick. Estos problemas podr\u00edan afectar la disponibilidad de la aplicaci\u00f3n o potencialmente causar otros problemas relacionados con el comportamiento indefinido. Este fallo afecta a ImageMagick versiones anteriores a 7.0.9-0"}], "lastModified": "2023-03-11T23:15:11.513", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0DA39290-2761-4869-AC2B-A251A33AEA75", "versionEndExcluding": "6.9.10-69"}, {"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"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}