TeraCopyService 3.1 Unquoted Service Path Privilege Escalation

2017.09.05
Risk: Medium
Local: Yes
Remote: No
CVE: N/A
CWE: CWE-264

# Exploit Title: TeraCopyService 3.1 - Unquoted Service Path Privilege Escalation # Date of Discovery: August 31 2017 # Exploit Author: Rithwik Jayasimha # Author Homepage/Contact: https://thel3l.me # Vendor Name: Codesector # Vendor Homepage: http://www.codesector.com/ # Software Link: TOVA 8.2-202 - http://www.codesector.com/teracopy # Affected Versions: <3.1 confirmed, possibly later versions # Tested on: Windows 7 # Category: local # Vulnerability type: Local Privilege Escalation # Description: Teracopy installs a service ("TeraCopyService") with an unquoted service path running with SYSTEM privileges. This allows any non-privileged local user to execute arbitrary code with SYSTEM privileges. # Proof Of Concept: C:\Users\potato> sc qc TeraCopyService [SC] QueryServiceConfig SUCCESS SERVICE_NAME: TeraCopyService TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 0 IGNORE BINARY_PATH_NAME : C:\Program Files\TeraCopy\TeraCopyService.exe LOAD_ORDER_GROUP : System Reserved TAG : 0 DISPLAY_NAME : TeraCopy Service DEPENDENCIES : SERVICE_START_NAME : LocalSystem


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