CVE-2017-11786 Information

Description

Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reused elsewhere due to how Skype for Business handles authentication requests aka \Skype for Business Elevation of Privilege Vulnerability.\

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/101156 http://www.securitytracker.com/id/1039530 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8