Zero-day vulnerability in Windows

Information disclosure

On April 14, 2017 the Shadow Brokers team made the exploit pack publicly available. The exploits are believed to be stolen from the NSA.

Known malware:

EternalChampion exploit

Vulnerability details

Advisory: SB2017031416 - Multiple vulnerabilities in Microsoft Windows SMB Server

Vulnerable component: Windows

CVE-ID: CVE-2017-0147

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:H/RL:O/RC:C

CWE-ID: CWE-200 - Information Exposure


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.

Public Exploits: