{ "id": "CVE-2023-5760", "sourceIdentifier": "security@nortonlifelock.com", "published": "2023-11-08T17:15:07.993", "lastModified": "2024-11-21T08:42:25.890", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.\n\n" }, { "lang": "es", "value": "Un error de tiempo de verificaci\u00f3n a tiempo de uso (TOCTOU) en el manejo de solicitudes IOCTL (control de entrada/salida). Este error de TOCTOU conduce a una vulnerabilidad de escritura fuera de los l\u00edmites que puede explotarse a\u00fan m\u00e1s, permitiendo a un atacante obtener una escalada de privilegios local completa en el sistema. Este problema afecta a Avast/Avg Antivirus: 23.8." } ], "metrics": { "cvssMetricV31": [ { "source": "security@nortonlifelock.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.2, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.5, "impactScore": 6.0 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "security@nortonlifelock.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-367" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-367" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:avast:avg_antivirus:23.8:*:*:*:*:*:*:*", "matchCriteriaId": "E8124009-1327-4987-8496-13DE18CF777A" } ] } ] } ], "references": [ { "url": "https://support.norton.com/sp/static/external/tools/security-advisories.html", "source": "security@nortonlifelock.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://support.norton.com/sp/static/external/tools/security-advisories.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }