{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-3181","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2023-06-09T09:44:05.431Z","datePublished":"2024-01-25T15:22:47.828Z","dateUpdated":"2025-06-03T18:21:59.225Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Splashtop Software Updater","vendor":"Splashtop","versions":[{"lessThan":"1.5.6.21","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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’s 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."}],"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’s 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."}],"impacts":[{"capecId":"CAPEC-165","descriptions":[{"lang":"en","value":"CAPEC-165 File Manipulation"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-379","description":"CWE-379: Creation of Temporary File in Directory with Insecure Permissions","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2024-01-25T15:22:47.828Z"},"references":[{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md"}],"source":{"discovery":"UNKNOWN"},"title":"Insecure Permissions in Splashtop Software Updater","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T06:48:08.297Z"},"title":"CVE Program Container","references":[{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-03T18:21:45.344343Z","id":"CVE-2023-3181","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-03T18:21:59.225Z"}}]}}