CVE-2021-32614

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{"affected": [{"affectedData": [{"product": "dmg2img", "vendor": "n/a", "versions": [{"status": "affected", "version": "dmg2img through 20170502"}]}], "source": "patrick@puiterwijk.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dmg2img_project:dmg2img:*:*:*:*:*:*:*:*", "matchCriteriaId": "8133DF55-ED81-4B8B-90BC-1268C506E7E4", "versionEndIncluding": "20170502", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2021-32614", "lastModified": "2026-06-17T03:53:16.510", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-26T22:15:08.193", "references": [{"source": "patrick@puiterwijk.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959911"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959911"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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