#VU6016 Information disclosure in Windows and Windows Server - CVE-2017-0147
Published: March 14, 2017 / Updated: November 20, 2020
Vulnerability identifier: #VU6016
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2017-0147
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an error when parsing requests in Microsoft Server Message Block 1.0 (SMBv1) server. A remote unauthenticated attacker can send specially crafted SMB packets and gain access to potentially sensitive data.
Successful exploitation of this vulnerability may allow an attacker to gain access to potentially sensitive information.
Note: this vulnerability has been exploited in the wild and is publicly known as EternalChampion exploit.
Remediation
Install updates from vendor's website.