{"containers": {"cna": {"affected": [{"product": "GPAC Project", "vendor": "n/a", "versions": [{"status": "affected", "version": "GPAC Project Advanced Content commit a8a8d412dabcb129e695c3e7d861fcc81f608304, GPAC Project Advanced Content v1.0.1"}]}], "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. A specially crafted MPEG-4 input used to process an atom using the \u201csaio\u201d FOURCC code 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."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-680", "description": "CWE-680: Integer Overflow to Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-01T10:06:54", "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297"}, {"name": "DSA-4966", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2021/dsa-4966"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "talos-cna@cisco.com", "ID": "CVE-2021-21840", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GPAC Project", "version": {"version_data": [{"version_value": "GPAC Project Advanced Content commit a8a8d412dabcb129e695c3e7d861fcc81f608304, GPAC Project Advanced Content v1.0.1"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input used to process an atom using the \u201csaio\u201d FOURCC code 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."}]}, "impact": {"cvss": {"baseScore": 8.8, "baseSeverity": "High", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-680: Integer Overflow to Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297", "refsource": "MISC", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297"}, {"name": "DSA-4966", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4966"}]}}}}, "cveMetadata": {"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "assignerShortName": "talos", "cveId": "CVE-2021-21840", "datePublished": "2021-08-25T18:21:34", "dateReserved": "2021-01-04T00:00:00", "dateUpdated": "2021-09-01T10:06:54", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "82DD2D40-0A05-48FD-940D-32B4D8B51AB3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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. A specially crafted MPEG-4 input used to process an atom using the \u201csaio\u201d FOURCC code 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. Una entrada MPEG-4 especialmente dise\u00f1ada para procesar un \u00e1tomo usando el c\u00f3digo FOURCC \"saio\" causa 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."}], "id": "CVE-2021-21840", "lastModified": "2022-07-29T14:16:27.930", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "talos-cna@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-25T19:15:09.023", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297"}, {"source": "talos-cna@cisco.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4966"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-680"}], "source": "talos-cna@cisco.com", "type": "Secondary"}]}

{}