{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-5760", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "state": "PUBLISHED", "assignerShortName": "NLOK", "dateReserved": "2023-10-25T00:31:22.790Z", "datePublished": "2023-11-08T16:36:29.217Z", "dateUpdated": "2023-11-15T12:47:10.735Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "Avast/Avg Antivirus", "vendor": "Avast/AVG", "versions": [{"status": "affected", "version": " 23.8"}]}], "credits": [{"lang": "en", "type": "reporter", "user": "00000000-0000-4000-9000-000000000000", "value": "Wei Sheng Teo of Ensign InfoSecurity|"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">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.</span><p>This issue affects Avast/Avg Antivirus: 23.8.</p>"}], "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"}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-367", "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "NLOK", "dateUpdated": "2023-11-15T12:47:10.735Z"}, "references": [{"url": "https://support.norton.com/sp/static/external/tools/security-advisories.html"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">We encourage customers to ensure their security software is always updated to the latest version available.</span><br>"}], "value": "We encourage customers to ensure their security software is always updated to the latest version available.\n"}], "source": {"discovery": "EXTERNAL"}, "title": "Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:avast:avg_antivirus:23.8:*:*:*:*:*:*:*", "matchCriteriaId": "E8124009-1327-4987-8496-13DE18CF777A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2023-5760", "lastModified": "2023-11-16T16:48:28.453", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "security@nortonlifelock.com", "type": "Secondary"}]}, "published": "2023-11-08T17:15:07.993", "references": [{"source": "security@nortonlifelock.com", "tags": ["Third Party Advisory"], "url": "https://support.norton.com/sp/static/external/tools/security-advisories.html"}], "sourceIdentifier": "security@nortonlifelock.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-367"}], "source": "security@nortonlifelock.com", "type": "Secondary"}]}

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