Buffer overflow in Windows and Windows Server - CVE-2020-1396

 

Buffer overflow in Windows and Windows Server - CVE-2020-1396

Published: July 14, 2020 / Updated: July 15, 2020


Vulnerability identifier: #VU29802
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:P/U:Clear
CVE-ID: CVE-2020-1396
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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when Windows improperly handles calls to Advanced Local Procedure Call (ALPC). A local user can run a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

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


How to mitigate CVE-2020-1396

Install updates from vendor's website.

Sources