References to Advisories, Solutions, and Tools

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Known Affected Software Configurations Switch to CPE 2.2

Change History

AND
     OR
          *cpe:2.3:a:splashtop:software_updater:*:*:*:*:*:*:*:* versions up to (including) 1.5.6.21
     OR
          cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NIST NVD-CWE-Other

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md No Types Assigned

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md Third Party Advisory

Google Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Google Inc. CWE-379

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 

Google Inc. https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0015.md [No types assigned]