AsusScreenXpertServicec.exe and ScreenXpertUpgradeServiceManager.exe in ScreenPad2_Upgrade_Tool.msi V1.0.3 for ASUS PCs with ScreenPad 1.0 (UX450FDX, UX550GDX and UX550GEX) could lead to unsigned code execution with no additional restrictions when a user puts an application at a particular path with a particular file name.
The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product’s direct control.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Screenpad2_upgrade_tool | Asus | 1.0.3 (including) | 1.0.3 (including) |
This might allow attackers to execute their own programs, access unauthorized data files, or modify configuration in unexpected ways. If the product uses a search path to locate critical resources such as programs, then an attacker could modify that search path to point to a malicious program, which the targeted product would then execute. The problem extends to any type of critical resource that the product trusts. Some of the most common variants of untrusted search path are: