SB2019082715 - Privilege escalation in Valve Steam Client
Published: August 27, 2019
Security Bulletin ID
SB2019082715
CSH Severity
High
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-15316)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 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
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.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.