CVE-2021-32614

{"id": "CVE-2021-32614", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "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": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2021-05-26T22:15:08.193", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959911", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "patrick@puiterwijk.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959911", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "patrick@puiterwijk.org", "description": [{"lang": "en", "value": "CWE-125"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in dmg2img through 20170502. fill_mishblk() does not check the length of the read buffer, and copy 0xCC bytes from it. The length of the buffer is controlled by an attacker. By providing a length smaller than 0xCC, memcpy reaches out of the malloc'ed bound. This possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en dmg2img versiones hasta 20170502. La funci\u00f3n fill_mishblk() no comprueba la longitud del b\u00fafer de lectura y copia 0xCC bytes de \u00e9l. Un atacante controla la longitud del b\u00fafer. Al proporcionar una longitud menor que 0xCC, memcpy sale del l\u00edmite malloc'ed. Esto posiblemente conlleva a un filtrado de informaci\u00f3n sobre el dise\u00f1o de la memoria en los datos. Esto puede ser usado en una cadena de vulnerabilidad para alcanzar la ejecuci\u00f3n del c\u00f3digo"}], "lastModified": "2024-11-21T06:07:23.007", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:dmg2img_project:dmg2img:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8133DF55-ED81-4B8B-90BC-1268C506E7E4", "versionEndIncluding": "20170502"}], "operator": "OR"}]}], "sourceIdentifier": "patrick@puiterwijk.org"}