CVE Vulnerability

CVE-2019-15315

Valve Steam Client for Windows through 2019-08-16 allows privilege escalation (to NT AUTHORITYSYSTEM) because local users can replace the current versions of SteamService.exe and SteamService.dll with older versions that lack the CVE-2019-14743 patch.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://xiaoyinl.github.io/steam_EoP_bypass.html Third Party Advisory
Configurations

Configuration 1
Information

Published : 2019-08-21 08:15

Updated : 2020-08-24 05:37

NVD link : CVE-2019-15315

Mitre link : CVE-2019-15315

Products Affected

Steam Client

Valvesoftware

CWE
CWE-732