CVE-2024-5102

{"id": "CVE-2024-5102", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2024-06-10T17:16:34.133", "references": [{"url": "https://support.norton.com/sp/static/external/tools/security-advisories.html", "tags": ["Not Applicable"], "source": "security@nortonlifelock.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-59"}]}, {"type": "Secondary", "source": "security@nortonlifelock.com", "description": [{"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "A sym-linked file accessed via the repair function in Avast Antivirus <24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\\SYSTEM.\u00a0The vulnerability exists within the \"Repair\" (settings -> troubleshooting -> repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\\SYSTEM. A\u00a0low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance.\n\nThis issue affects Avast Antivirus prior to 24.2."}, {"lang": "es", "value": "Un archivo con enlace simb\u00f3lico al que se accede a trav\u00e9s de la funci\u00f3n de reparaci\u00f3n en Avast Antivirus &lt;24.2 en Windows puede permitir al usuario elevar privilegios para eliminar archivos arbitrarios o ejecutar procesos como NT AUTHORITY\\SYSTEM. La vulnerabilidad existe dentro de la funci\u00f3n \"Reparaci\u00f3n\" (configuraci\u00f3n -&gt; soluci\u00f3n de problemas -&gt; reparaci\u00f3n), que intenta eliminar un archivo en el directorio AppData del usuario actual como NT AUTHORITY\\SYSTEM. Un usuario con pocos privilegios puede crear un pseudoenlace simb\u00f3lico y una carpeta de uni\u00f3n y apuntar a un archivo en el sistema. Esto puede proporcionar a un usuario con pocos privilegios una elevaci\u00f3n de permisos para ganar una condici\u00f3n de ejecuci\u00f3n que recrear\u00e1 los archivos del sistema y realizar\u00e1 una devoluci\u00f3n de llamada de Windows a un archivo especialmente manipulado que podr\u00eda usarse para iniciar una instancia de shell privilegiada. Este problema afecta a Avast Antivirus antes de la versi\u00f3n 24.2."}], "lastModified": "2024-06-12T18:12:01.453", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E14E4791-47A8-4E8C-96E1-1E4A7F2D2F43", "versionEndExcluding": "24.2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@nortonlifelock.com"}