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.

CVSS v3.0 6.6 MEDIUM
CVSS v2.0 7.2 HIGH

6.6^/10

CVSS v3.0 : MEDIUM

Vector : AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 0.7 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://amonitoring.ru/article/steamclient-0day/	Exploit Patch Third Party Advisory
https://habr.com/ru/company/pm/blog/462479/	Exploit Patch Third Party Advisory
https://github.com/alexanderbittner/steam-privesc/

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Information

Published : 2019-08-07 08:15

Updated : 2020-08-24 10:37

NVD link : CVE-2019-14743

Mitre link : CVE-2019-14743

JSON object : View

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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Products Affected

valvesoftware

steam_client

microsoft

windows

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