valvesoftware Archives - CVE Vulnerability https://cvevulnerability.com/cve_products/valvesoftware/ Sun, 26 Feb 2023 06:45:35 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://cvevulnerability.com/wp-content/uploads/2023/02/cropped-Screenshot-2023-02-27-at-3.52.32-PM-32x32.png valvesoftware Archives - CVE Vulnerability https://cvevulnerability.com/cve_products/valvesoftware/ 32 32 CVE-2018-12270 https://cvevulnerability.com/cve_vulnerabilities/cve-2018-12270/ Sun, 26 Feb 2023 06:45:35 +0000 https://www.cvevulnerability.com/cve_vulnerabilities/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.

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]]> 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.

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]]> CVE-2020-15530 https://cvevulnerability.com/cve_vulnerabilities/cve-2020-15530/ Sun, 26 Feb 2023 06:37:52 +0000 https://www.cvevulnerability.com/cve_vulnerabilities/cve-2020-15530/ An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITYSYSTEM privileges because some parts of %PROGRAMFILES(X86)%Steam and/or %COMMONPROGRAMFILES(X86)%Steam have weak permissions during a critical time window. An attacker can make this time window arbitrarily long by using opportunistic locks.

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]]> An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITYSYSTEM privileges because some parts of %PROGRAMFILES(X86)%Steam and/or %COMMONPROGRAMFILES(X86)%Steam have weak permissions during a critical time window. An attacker can make this time window arbitrarily long by using opportunistic locks.

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]]> CVE-2019-17180 https://cvevulnerability.com/cve_vulnerabilities/cve-2019-17180/ Sun, 26 Feb 2023 06:31:29 +0000 https://www.cvevulnerability.com/cve_vulnerabilities/cve-2019-17180/ 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 AUTHORITYSYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact.

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]]> 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 AUTHORITYSYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact.

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]]> CVE-2019-15315 https://cvevulnerability.com/cve_vulnerabilities/cve-2019-15315/ Sun, 26 Feb 2023 06:30:52 +0000 https://www.cvevulnerability.com/cve_vulnerabilities/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.

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]]> 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.

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]]> CVE-2019-15316 https://cvevulnerability.com/cve_vulnerabilities/cve-2019-15316/ Sun, 26 Feb 2023 06:30:52 +0000 https://www.cvevulnerability.com/cve_vulnerabilities/cve-2019-15316/ Valve Steam Client for Windows through 2019-08-20 has weak folder permissions, leading to privilege escalation (to NT AUTHORITYSYSTEM) via crafted use of CreateMountPoint.exe and SetOpLock.exe to leverage a TOCTOU race condition.

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

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]]> CVE-2019-14743 https://cvevulnerability.com/cve_vulnerabilities/cve-2019-14743/ Sun, 26 Feb 2023 06:30:40 +0000 https://www.cvevulnerability.com/cve_vulnerabilities/cve-2019-14743/ In Valve Steam Client for Windows through 2019-08-07, HKLMSOFTWAREWow6432NodeValveSteam has explicit “Full control” for the Users group, which allows local users to gain NT AUTHORITYSYSTEM access.

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]]> In Valve Steam Client for Windows through 2019-08-07, HKLMSOFTWAREWow6432NodeValveSteam has explicit “Full control” for the Users group, which allows local users to gain NT AUTHORITYSYSTEM access.

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]]> CVE-2021-30481 https://cvevulnerability.com/cve_vulnerabilities/cve-2021-30481/ Thu, 23 Feb 2023 14:09:17 +0000 http://www.cvevulnerability.com/cve_vulnerabilities/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.

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]]> 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.

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