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2019-10-04
 
CVE-2019-17180

CWE-22
 
 
Valve Steam Client before 2019-09-12 allows placing or appending partially controlled filesystem content, as demonstrated by file modifications on Windows in the context of NT AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact.

 
2019-08-21
 
CVE-2019-15316

CWE-264
 
 
Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITY\SYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition.

 
 
CVE-2019-15315

CWE-264
 
 
Valve Steam Client for Windows through 2019-08-16 allows privilege escalation (to NT AUTHORITY\SYSTEM) because local users can replace the current versions of SteamService.exe and SteamService.dll with older versions that lack the CVE-2019-14743 patch.

 
2019-08-07
 
CVE-2019-14743

CWE-20
 
 
In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access.

 

 >>> Vendor: Valvesoftware 7 Produkty
Counter-strike
Steamos
Steam
Steam link firmware
Steam client
Dota 2
Game networking sockets

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