PT-2017-18443 · Microsoft · Windows Hyper-V+2

Published 2017-08-08 · Updated 2017-08-14 · CVE-2017-8623

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Windows Hyper-V versions 10 1607 through 10 1703 Windows Server 2016

Description A denial of service issue arises when Windows Hyper-V fails to properly validate input from a privileged user on a guest operating system. This allows attackers to affect the system.

Recommendations For Windows Hyper-V versions 10 1607 through 10 1703, update to a version that includes the fix for this issue. For Windows Server 2016, apply the necessary configuration changes to prevent exploitation of this issue. As a temporary workaround, consider restricting access to privileged users on guest operating systems until a patch is available.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2017-8623

Affected Products

Windows

Windows Hyper-V

Windows Server 2016

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8623 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2017-8623 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-8623 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8623 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-8623 · Security Note
• http://securitytracker.com/id/1039104 · Note
• http://securityfocus.com/bid/100042 · Note