Permissions, Privileges, and Access Controls in Steam - CVE-2019-15316
Published: August 27, 2019
Vulnerability identifier: #VU20408
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15316
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to improper folder permissions. A local authenticated attacker can replace the "CreateMountPoint.exe" or "SetOpLock.exe" with other versions and gain elevated privileges.
Affected software
Steam
How to mitigate CVE-2019-15316
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.