CVE-2019-15316 Detail
Current Description
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.
Source:
MITRE
View Analysis Description
Analysis Description
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.
Source:
MITRE
Severity
CVSS 3.x Severity and Metrics:
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Metrics:
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C)
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID |
CWE Name |
Source |
| CWE-264 |
Permissions, Privileges, and Access Controls |
NIST
|
Change History
1 change record found
- show changes
Initial Analysis -
8/30/2019 8:57:22 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:a:valvesoftware:steam_client:*:*:*:*:*:*:*:* versions up to (including) 2019-08-20
OR
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:L/AC:M/Au:N/C:C/I:C/A:C) |
| Added |
CVSS V3 |
|
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-264 |
| Changed |
Reference Type |
https://amonitoring.ru/article/onemore_steam_eop_0day/ No Types Assigned |
https://amonitoring.ru/article/onemore_steam_eop_0day/ Third Party Advisory |
| Changed |
Reference Type |
https://habr.com/ru/company/pm/blog/464367/ No Types Assigned |
https://habr.com/ru/company/pm/blog/464367/ Third Party Advisory |
| Changed |
Reference Type |
https://www.youtube.com/watch?v=I93aH86BUaE No Types Assigned |
https://www.youtube.com/watch?v=I93aH86BUaE Exploit, Third Party Advisory |
| Changed |
Reference Type |
https://www.youtube.com/watch?v=ZCHrjP0cMew No Types Assigned |
https://www.youtube.com/watch?v=ZCHrjP0cMew Exploit, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2019-15316
NVD Published Date:
08/21/2019
NVD Last Modified:
08/30/2019
|