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League of Legends Screensaver - Insecure File Permissions Privilege Escalation
# Exploit Title: League of Legends Screensaver Insecure File Permissions
Privilege Escalation
# CVE-ID: NA
# Date: 13/04/2016
# Exploit Author: Vincent Yiu
# Contact: [email protected]
# Vendor Homepage: http://www.leagueoflegends.com
# Software Link: screensaver.euw.leagueoflegends.com/en_US
# Version: MD5 Hash: 0C1B02079CA8BF850D59DD870BC09963
# Tested on: Windows 7 Professional x64 fully updated.
1. Description:
The League of Legends screensaver was installed with insecure file
permissions. It was found that all folder and file permissions were
incorrectly configured during installation. It was possible to replace the
service binary.
This was reported to Riot Games and has been rectified in the latest
version.
2. Proof
http://i.imgur.com/5fVijDK.png
3. Exploit:
Replace service.exe in 'C:\Riot Games\LolScreenSaver\service' to run
service.exe as SYSTEM.
# 0day.today [2018-01-10] #Data
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07 Jun 2016 00:00Current
6.8Medium risk
Vulners AI Score6.8