Buffer overflow in Windows and Windows Server - CVE-2020-0771

 

Buffer overflow in Windows and Windows Server - CVE-2020-0771

Published: March 10, 2020


Vulnerability identifier: #VU25938
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-0771
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 when the Windows CSC Service improperly handles memory. 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-2020-0771

Install update from vendor's website.

Sources