Permissions, Privileges, and Access Controls in Steam - CVE-2019-15315

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Main Vulnerability Database Vulnerabilities #VU20418

Permissions, Privileges, and Access Controls in Steam - CVE-2019-15315

Published: August 28, 2019


Vulnerability identifier: #VU20418
CSH Severity: Low
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:U/U:Clear
CVE-ID: CVE-2019-15315
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 current versions of "SteamService.exe" and "SteamService.dll" with older versions that lack the CVE-2019-14743 patch.


How to mitigate CVE-2019-15315

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

Sources