The MSI installer for Splashtop Streamer for Windows before 3.7.0.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM via an oplock on CredProvider_Inst.reg.
Metrics
CVSS Version: 3.1 |
Base Score: 7 HIGH Vector: CVSS:3.1/AC:H/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N
l➤ Exploitability Metrics: Attack Vector (AV)* LOCAL Attack Complexity (AC)* HIGH Privileges Required (PR)* LOW User Interaction (UI)* NONE Scope (S)* UNCHANGED
l➤ Impact Metrics: Confidentiality Impact (C)* HIGH Integrity Impact (I)* HIGH Availability Impact (A)* HIGH
Weakness Enumeration (CWE)
CWE-ID: CWE Name: n/a Source: n/a
Common Attack Pattern Enumeration and Classification (CAPEC)