CVE-2021-21848

{"id": "CVE-2021-21848", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-08-25T19:15:09.167", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://www.debian.org/security/2021/dsa-4966", "tags": ["Third Party Advisory"], "source": "talos-cna@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}, {"type": "Secondary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-680"}]}], "descriptions": [{"lang": "en", "value": "An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The library will actually reuse the parser for atoms with the \u201cstsz\u201d FOURCC code when parsing atoms that use the \u201cstz2\u201d FOURCC code and can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de desbordamiento de enteros explotable dentro de la funcionalidad MPEG-4 decoding de GPAC Project on Advanced Content library versi\u00f3n v1.0.1. La biblioteca actualmente vuelve a usar el analizador de \u00e1tomos con el c\u00f3digo FOURCC \"stsz\" cuando analiza \u00e1tomos que usan el c\u00f3digo FOURCC \"stz2\" y puede causar un desbordamiento de enteros debido a una aritm\u00e9tica no comprobada, resultando en un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria que causa una corrupci\u00f3n de la memoria. Un atacante puede convencer a un usuario de que abra un v\u00eddeo para desencadenar esta vulnerabilidad."}], "lastModified": "2022-07-29T14:17:22.530", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "82DD2D40-0A05-48FD-940D-32B4D8B51AB3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "talos-cna@cisco.com"}