CVE-2023-3181

{"id": "CVE-2023-3181", "cveTags": [], "metrics": {"cvssMetricV31": [{"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}, {"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}]}, "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"}, {"url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve-coordination@google.com", "description": [{"lang": "en", "value": "CWE-379"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "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": "2025-08-14T14:52:30.797", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:splashtop:mirroring360_receiver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6563A7D7-1B53-45F6-889E-5268473A0C1D", "versionEndExcluding": "2.4.0.1"}, {"criteria": "cpe:2.3:a:splashtop:mirroring360_sender:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3FCC4A5A-FA91-44A6-AEF7-AA7152924290", "versionEndExcluding": "1.3.0.0"}, {"criteria": "cpe:2.3:a:splashtop:splashtop:*:*:*:*:business:*:*:*", "vulnerable": true, "matchCriteriaId": "746D321B-BF0D-48A9-98A0-82A5083902E1", "versionEndExcluding": "3.5.6.0"}, {"criteria": "cpe:2.3:a:splashtop:splashtop:*:*:*:*:personal:*:*:*", "vulnerable": true, "matchCriteriaId": "C45B532F-DE36-4E00-BF68-D03A44428D0B", "versionEndExcluding": "3.5.8.0"}, {"criteria": "cpe:2.3:a:splashtop:splashtop_for_rmm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "444CA138-705C-433C-9D79-2A013D581464", "versionEndExcluding": "3.5.8.0"}, {"criteria": "cpe:2.3:a:splashtop:streamer:*:*:*:*:-:windows:*:*", "vulnerable": true, "matchCriteriaId": "38D5C0BB-40D8-4E05-9C4C-297D2B047B3C", "versionEndExcluding": "3.5.6.0"}], "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"}