Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zint:barcode_generator:2.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "97B2F0DF-8C6E-487A-AE06-4EBBA3ED17DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code."}, {"lang": "es", "value": "La funci\u00f3n ean_leading_zeroes en el archivo backend/upcean.c en Zint Barcode Generator versi\u00f3n 2.19.1, presenta un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria que es accesible desde la API C por medio de una aplicaci\u00f3n que incluye el c\u00f3digo de la biblioteca Zint Barcode Generator"}], "id": "CVE-2021-27799", "lastModified": "2024-11-21T05:58:35.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-26T22:15:20.847", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://zint.org.uk/Manual.aspx?type=p&page=3"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://zint.org.uk/Manual.aspx?type=p&page=4"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://zint.org.uk/Manual.aspx?type=p&page=5"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sourceforge.net/p/zint/tickets/218/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://zint.org.uk/Manual.aspx?type=p&page=3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://zint.org.uk/Manual.aspx?type=p&page=4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://zint.org.uk/Manual.aspx?type=p&page=5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sourceforge.net/p/zint/tickets/218/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}