CVE-2018-8438
published 2018-09-13CVE-2018-8438: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a…
PriorityP434medium6.8CVSS 3.0
AVNACLPRHUINSCCNINAH
EPSS
7.17%
93.6th percentile
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8437.
Affected
40 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_servers | — | — |
| microsoft | windows_10_servers | — | — |
| microsoft | windows_8.1 | — | — |
| microsoft | windows_8.1 | — | — |
| microsoft | windows_rt_8.1 | — | — |
| microsoft | windows_server | — | — |
| microsoft | windows_server_2012_r2 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| msrc | windows_10_for_32-bit_systems | — | — |
| msrc | windows_10_for_x64-based_systems | — | — |
CVSS provenance
nvdv3.06.8MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
nvdv2.06.8MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:C
vendor_msrc5.8MEDIUM
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GHSA
GHSA-vfrj-3vj7-gff9: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use
ghsa_unreviewed·2022-05-14·CVSS 6.2
CVE-2018-8437 [MEDIUM] CWE-20 GHSA-vfrj-3vj7-gff9: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8438.
GHSA
GHSA-r8cq-hqqc-2p5f: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use
ghsa_unreviewed·2022-05-14·CVSS 6.2
CVE-2018-8436 [MEDIUM] CWE-20 GHSA-r8cq-hqqc-2p5f: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.
GHSA
GHSA-6fcm-m3gp-p67j: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use
ghsa_unreviewed·2022-05-14·CVSS 6.2
CVE-2018-8438 [MEDIUM] CWE-20 GHSA-6fcm-m3gp-p67j: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged use
A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8436, CVE-2018-8437.
Microsoft
Windows Hyper-V Denial of Service Vulnerability
vendor_msrc·2018-09-11·CVSS 5.8
CVE-2018-8438 [MEDIUM] Windows Hyper-V Denial of Service Vulnerability
Windows Hyper-V Denial of Service Vulnerability
Description: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash.
To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash.
The update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.
Microsoft Windows: Microsoft Windows
Issuing CNA: Microsoft
Impact: Denial of Service
Exploit Status: Publicly Disclosed:No;Exploited
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday - September 2018
blogs_talos·2018-09-11·CVSS 8.4
[HIGH] Microsoft Patch Tuesday - September 2018
Microsoft released its monthly set of security updates today for a variety of its products that address a variety of bugs. The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated "critical," 43 that are rated "important" and one that is considered to have "moderate" severity.
The advisories cover bugs in the Internet Explorer web browser, Jet Database Engine and the Chakra scripting engine, among other products and software.
This update also includes two critical advisories, one of which covers security updates to Adobe Flash, and another that deals with a denial-of-service vulnerability in the Microsoft Windows operating system.
## Critical vulnerabilitiesMicrosoft released coverage for 17 critical bugs. Cisco Talos believes 16 of these are of special importance and n
Talos
Microsoft Patch Tuesday - September 2018
blogs_talos·2018-09-11·CVSS 8.4
[HIGH] Microsoft Patch Tuesday - September 2018
## Microsoft Patch Tuesday - September 2018
Microsoft released its monthly set of security updates today for a variety of its products that address a variety of bugs. The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated "critical," 43 that are rated "important" and one that is considered to have "moderate" severity.
The advisories cover bugs in the Internet Explorer web browser, Jet Database Engine and the Chakra scripting engine, among other products and software.
This update also includes two critical advisories, one of which covers security updates to Adobe Flash, and another that deals with a denial-of-service vulnerability in the Microsoft Windows operating system.
## Critical vulnerabilities Microsoft released coverage for 17 critical bugs. Cisco Talos believ
http://www.securityfocus.com/bid/105249http://www.securitytracker.com/id/1041624https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438http://www.securityfocus.com/bid/105249http://www.securitytracker.com/id/1041624https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438
2018-09-13
Published