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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.6 MEDIUM
PHYSICAL
LOW
LOW
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
VendorProductVersion
valvesoftwaresteam_client
𝑥
≤ 2019-08-07
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://amonitoring.ru/article/steamclient-0day/
https://github.com/alexanderbittner/steam-privesc/
https://habr.com/ru/company/pm/blog/462479/
https://amonitoring.ru/article/steamclient-0day/
https://github.com/alexanderbittner/steam-privesc/
https://habr.com/ru/company/pm/blog/462479/