#VU40589 Permissions, Privileges, and Access Controls in Steam - CVE-2015-7985
Published: November 24, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40589
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2015-7985
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Steam
Steam
Software vendor:
Valve Software
Valve Software
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Valve Steam 2.10.91.91 uses weak permissions (Users: read and write) for the Install folder, which allows local users to gain privileges via a Trojan horse steam.exe file.
Remediation
Install update from vendor's website.