CVE-2019-14743

Public Exploit

Description

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.

Category

6.6
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory amonitoring.ru Third-Party Advisory habr.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://amonitoring.ru/article/steamclient-0day/ exploit third party advisory patch
https://habr.com/ru/company/pm/blog/462479/ exploit third party advisory patch
https://github.com/alexanderbittner/steam-privesc/

Frequently Asked Questions

What is the severity of CVE-2019-14743?
CVE-2019-14743 has been scored as a medium severity vulnerability.
How to fix CVE-2019-14743?
To fix CVE-2019-14743, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-14743 being actively exploited in the wild?
It is possible that CVE-2019-14743 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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