On April 14, 2017 the Shadow Brokers team made the exploit pack publicly available. The exploits are believed to be stolen from the NSA.
EternalChampion exploit
Vulnerability details
Advisory: SB2017031416 - Multiple vulnerabilities in Microsoft Windows SMB Server
Vulnerable component: Windows
CVE-ID: CVE-2017-0146
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C
CWE-ID: CWE-20 - Improper input validation
Description:
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
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 execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: this vulnerability has been exploited in the wild and is publicly known as EternalChampion exploit.
Public Exploits: