CVE-2019-0959
An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Microsoft Windows - 'CmpAddRemoveContainerToCLFSLog' Arbitrary File/Directory Creation2019-06-24 · dos · windows · Verified
Impact
An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system. The security update addresses the vulnerability by correcting how CLFS handles objects in memory.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 | Versions 1803, 1809, 1903 |
| Microsoft | Windows Server 2016 | Versions 1803, 1903 |
| Microsoft | Windows Server 2019 | All versions |