Buffer overflow in Windows and Windows Server - CVE-2020-1071
Published: May 12, 2020
Vulnerability identifier: #VU27850
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-1071
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to a boundary error when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker with physical access to the booted machine can reach the logon screen, 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-2020-1071
Install update from vendor's website.