CVE-2023-3181

{"id": "CVE-2023-3181", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "cve-coordination@google.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-01-25T16:15:07.400", "references": [{"url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md", "tags": ["Third Party Advisory"], "source": "cve-coordination@google.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}, {"type": "Secondary", "source": "cve-coordination@google.com", "description": [{"lang": "en", "value": "CWE-379"}]}], "descriptions": [{"lang": "en", "value": "The C:\\Program Files (x86)\\Splashtop\\Splashtop Software Updater\\uninst.exe process creates a folder at C:\\Windows\\Temp~nsu.tmp and copies itself to it as Au_.exe. The C:\\Windows\\Temp~nsu.tmp\\Au_.exe file is automatically launched as SYSTEM when the system reboots or when a standard user runs an MSI repair using Splashtop Streamer\u2019s Windows Installer. Since the C:\\Windows\\Temp~nsu.tmp folder inherits permissions from C:\\Windows\\Temp and Au_.exe is susceptible to DLL hijacking, standard users can write a malicious DLL to it and elevate their privileges."}, {"lang": "es", "value": "El proceso C:\\Program Files (x86)\\Splashtop\\Splashtop Software Updater\\uninst.exe crea una carpeta en C:\\Windows\\Temp~nsu.tmp y se copia en ella como Au_.exe. El archivo C:\\Windows\\Temp~nsu.tmp\\Au_.exe se inicia autom\u00e1ticamente como SISTEMA cuando el sistema se reinicia o cuando un usuario est\u00e1ndar ejecuta una reparaci\u00f3n de MSI utilizando el instalador de Windows de Splashtop Streamer. Dado que la carpeta C:\\Windows\\Temp~nsu.tmp hereda permisos de C:\\Windows\\Temp y Au_.exe es susceptible al secuestro de DLL, los usuarios est\u00e1ndar pueden escribirle una DLL maliciosa y elevar sus privilegios."}], "lastModified": "2024-02-03T01:34:52.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:splashtop:software_updater:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B171E7A-307B-4342-8DC8-662D3AC42894", "versionEndIncluding": "1.5.6.21"}], "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": "cve-coordination@google.com"}