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Microsoft CVE-2017-0147: Windows SMB Information Disclosure Vulnerability

Severity CVSS Published Added Modified
4 (AV:N/AC:M/Au:N/C:P/I:N/A:N) March 14, 2017 March 14, 2017 October 30, 2017

Available Exploits 


An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests. An attacker who successfully exploited this vulnerability could craft a special packet, which could lead to information disclosure from the server. To exploit the vulnerability, in most situations, an unauthenticated attacker could send a specially crafted packet to a targeted SMBv1 server.The security update addresses the vulnerability by correcting how SMBv1 handles these specially crafted requests.

This vulnerability is exploited through EternalChampion.

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Solution Reference

Microsoft Security Update Guide