CVE-2020-14315

{"containers": {"cna": {"affected": [{"product": "bsdiff", "vendor": "n/a", "versions": [{"status": "affected", "version": "bsdiff 4.3"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability is present in bspatch as shipped in Colin Percival\u2019s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-09-16T13:31:19.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2020/07/09/2"}, {"tags": ["x_refsource_MISC"], "url": "https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1856747"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:39:36.226Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2020/07/09/2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1856747"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-14315", "datePublished": "2020-09-16T13:31:19.000Z", "dateReserved": "2020-06-17T00:00:00.000Z", "dateUpdated": "2024-08-04T12:39:36.226Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "bsdiff", "vendor": "n/a", "versions": [{"status": "affected", "version": "bsdiff 4.3"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:daemonology:bsdiff:4.3:*:*:*:*:*:*:*", "matchCriteriaId": "5BE352CE-2DC3-4B29-94E4-58304441E9A2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability is present in bspatch as shipped in Colin Percival\u2019s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de corrupci\u00f3n de la memoria en bspatch como es entregado en las herramientas bsdiff de Colin Percival versi\u00f3n 4.3. Una comprobaci\u00f3n insuficiente cuando se manejan las entradas externas permiten a un atacante omitir las comprobaciones de sanidad en el lugar y escribir fuera de los l\u00edmites de un b\u00fafer asignado din\u00e1micamente"}], "id": "CVE-2020-14315", "lastModified": "2026-06-17T02:54:31.383", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-16T14:15:12.797", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1856747"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/07/09/2"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1856747"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/07/09/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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