CVE-2021-45429

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF9F25A3-0546-4BC8-B4A2-91CFD8456A1F", "versionEndIncluding": "4.1.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de Desbordamiento del B\u00fafer en VirusTotal YARA en el git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 por medio de la funci\u00f3n yr_set_configuration en el archivo yara/libyara/libyara.c, que podr\u00eda causar una Denegaci\u00f3n de Servicio"}], "id": "CVE-2021-45429", "lastModified": "2026-06-17T04:13:22.283", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-04T19:15:08.060", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/VirusTotal/yara/issues/1616"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/VirusTotal/yara/issues/1616"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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