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valvesoftware steam client vulnerabilities and exploits
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6
CVSSv2
CVE-2021-30481
Valve Steam through 2021-04-10, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.
Valvesoftware Steam Client
1 Github repository
5
CVSSv2
CVE-2015-4016
The client detection protocol in Valve Steam allows remote malicious users to cause a denial of service (process crash) via a crafted response to a broadcast packet.
Valvesoftware Steam Client
5.8
CVSSv2
CVE-2018-12270
In Valve Steam 1528829181 BETA, it is possible to perform a homograph / homoglyph attack to create fake URLs in the client, which may trick users into visiting unintended web sites.
Valvesoftware Steam Client 1528829181
7.2
CVSSv2
CVE-2015-7985
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.
Valvesoftware Steam Client 2.10.91.91
1 EDB exploit
2 Github repositories
7.2
CVSSv2
CVE-2020-15530
An issue exists in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\SYSTEM privileges because some parts of %PROGRAMFILES(X86)%\Steam and/or %COMMONPROGRAMFILES(X86)%\Steam have weak permissions during a critical time window. An attacker can ma...
Valvesoftware Steam Client 2.10.91.91
7.2
CVSSv2
CVE-2019-14743
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.
Valvesoftware Steam Client
1 Article
6.9
CVSSv2
CVE-2019-15316
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.
Valvesoftware Steam Client
7.2
CVSSv2
CVE-2019-15315
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.
Valvesoftware Steam Client
1 Github repository
1 Article
7.2
CVSSv2
CVE-2019-17180
Valve Steam Client prior to 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 i...
Valvesoftware Steam Client
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
camera
bypass
CVE-2024-3592
CVE-2024-37383
CVE-2024-24919
CVE-2024-27822
CVE-2024-36788
CVE-2024-36789
man-in-the-middle
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