Input validation error in Windows and Windows Server - CVE-2020-1118
Published: May 12, 2020
Vulnerability identifier: #VU27854
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-1118
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Windows implementation of Transport Layer Security (TLS) improperly handles certain key exchanges. A remote attacker can send a specially crafted request to a target system utilizing TLS 1.2 or lower and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.