A DLL hijacking vulnerability has been discovered in OutSystems Service Studio 11 11.53.30 build 61739.
Date: 2023-08
Affected: outsystems/service_studio
Attack vector: rce
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2022-47636
CWE: CWE-427
CVSS: 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

A DLL hijacking vulnerability has been discovered in OutSystems Service Studio 11 11.53.30 build 61739. When a user open a .oml file (OutSystems Modeling Language), the application will load the following DLLs from the same directory av_libGLESv2.dll, libcef.DLL, user32.dll, and d3d10warp.dll. Using a crafted DLL, it is possible to execute arbitrary code in the context of the current logged in user.


Mitigations:

Architectural layers (MAESTRO):