CVE-2019-17217

An issue was discovered on V-Zug Combi-Steam MSLQ devices before Ethernet R07 and before WLAN R05. There is no CSRF protection established on the web service...

CVE-2019-17217

CVE-2019-17217 concerns the V-Zug Combi-Steam MSLQ line. The connected documents confirm a CSRF vulnerability in the device’s web service present on firmware older than Ethernet R07 and WLAN R05. The issue arises from the web interface not properly protecting against CSRF, enabling an attacker to...

CVE-2019-17218

An issue was discovered on V-Zug Combi-Steam MSLQ devices before Ethernet R07 and before WLAN R05. By default, the communication to the web service is unencrypted via http. An attacker is able to intercept and sniff communication to the web service...

CVE-2019-17218

The CVE-2019-17218 entry concerns V-Zug Combi-Steam MSLQ devices prior to Ethernet R07 and WLAN R05, where web service communications occur over unencrypted HTTP by default. This configuration enables an attacker to intercept and sniff traffic between the device and the web service, exposing pote...

CVE-2019-17219

CVE-2019-17219 concerns V‑Zug Combi‑Steam MSLQ devices. The issue arises from an authentication deficiency on the device before Ethernet R07 and WLAN R05, allowing an adjacent attacker to use the network interface without proper access control. Affected firmware versions lack sufficient authentic...

CVE-2019-17219

An issue was discovered on V-Zug Combi-Steam MSLQ devices before Ethernet R07 and before WLAN R05. By default, the device does not enforce any authentication. An adjacent attacker is able to use the network interface without proper access control...

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 AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact...

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 AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact...

PYSEC-2019-125

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...

Design/Logic Flaw

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...

PYSEC-2019-55

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...

PYSEC-2019-125

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...

CVE-2019-17180

Summary: CVE-2019-17180 affects Valve Steam Client prior to 2019-09-12. The vulnerability allows placing or appending partially controlled filesystem content, demonstrated by file modifications on Windows under NT AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or ...

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 AUTHORITY\SYSTEM. This could lead to denial of service, elevation of privilege, or unspecified other impact...

Valve: Arbitrary file creation with semi-controlled content (leads to DoS, EoP and others) at Steam Windows Client

The vulnerability allows to create arbitrary file with some crafted text or append to existing file. Tested on actual version 5.31.28.21 SteamService.exe filevesion info. At start of the report I describe how to trigger vulnerability, than describe how to cause any consequences. How to trigger - ...

Researcher Discloses Second Steam Zero-Day After Valve Bug Bounty Ban

A researcher has disclosed a zero-day privilege-escalation vulnerability for the Steam gaming client after he said he was barred from the bug bounty program of Steam’s owner, Valve. The vulnerability is the second zero-day privilege-escalation vulnerability that has been released by independent...

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...

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...

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...

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...