Permissions, Privileges, and Access Controls in Steam - CVE-2019-15316

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Main Vulnerability Database Vulnerabilities #VU20408

Permissions, Privileges, and Access Controls in Steam - CVE-2019-15316

Published: August 27, 2019


Vulnerability identifier: #VU20408
CSH Severity: High
CVSS v4.0: 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/E:P/U:Amber
CVE-ID: CVE-2019-15316
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Valve Software
Affected software:
Steam

Detailed vulnerability description

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.


How to mitigate CVE-2019-15316

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources