Buffer overflow in Windows and Windows Server - CVE-2019-1170

 

Buffer overflow in Windows and Windows Server - CVE-2019-1170

Published: August 13, 2019


Vulnerability identifier: #VU20222
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-1170
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in NTFS implementation when reparse points are created by sandboxed processes allowing sandbox escape. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-1170

Install update from vendor's website.

Sources