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1.1 KiB
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32 lines
No EOL
1.1 KiB
Text
# Exploit Title: League of Legends Screensaver Insecure File Permissions
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Privilege Escalation
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# CVE-ID: NA
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# Date: 13/04/2016
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# Exploit Author: Vincent Yiu
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# Contact: vysec.private@gmail.com
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# Vendor Homepage: http://www.leagueoflegends.com
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# Software Link: screensaver.euw.leagueoflegends.com/en_US
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# Version: MD5 Hash: 0C1B02079CA8BF850D59DD870BC09963
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# Tested on: Windows 7 Professional x64 fully updated.
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1. Description:
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The League of Legends screensaver was installed with insecure file
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permissions. It was found that all folder and file permissions were
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incorrectly configured during installation. It was possible to replace the
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service binary.
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This was reported to Riot Games and has been rectified in the latest
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version.
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2. Proof
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http://i.imgur.com/5fVijDK.png
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3. Exploit:
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Replace service.exe in 'C:\Riot Games\LolScreenSaver\service' to run
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service.exe as SYSTEM.
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This is released on exploit-db as a means to make users aware. There was no way to automatically install a patch or update to fix this issue. It is recommended that the screensaver is uninstalled and redownloaded from the official website where this issue is now resolved. |