Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition.
References
Link | Resource |
---|---|
https://amonitoring.ru/article/onemore_steam_eop_0day/ | Third Party Advisory |
https://habr.com/ru/company/pm/blog/464367/ | Third Party Advisory |
https://www.youtube.com/watch?v=I93aH86BUaE | Exploit Third Party Advisory |
https://www.youtube.com/watch?v=ZCHrjP0cMew | Exploit Third Party Advisory |
Configurations
Configuration 1 (hide)
AND |
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History
No history.
Information
Published : 2019-08-21 20:15
Updated : 2024-02-28 17:08
NVD link : CVE-2019-15316
Mitre link : CVE-2019-15316
CVE.ORG link : CVE-2019-15316
JSON object : View
Products Affected
valvesoftware
- steam_client
microsoft
- windows