Name: CVE-2019-15316: Time-of-check Time-of-use (TOCTOU) Race Condition
Creator: Rapid7
Published: 2019-08-21T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-15316, CWE-367, CWE-732, CVSS 7, EPSS 0.00446

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.

CVSS Details

CVSS 3.1 Base Score: 7
CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

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CVSS Details

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