CVE-2018-8226 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

A denial of service vulnerability exists in the HTTP 2.0 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	-
Microsoft	Windows Server 1803	-
Microsoft	Windows Server 2016	-

References

http://www.securityfocus.com/bid/104361Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041094Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8226PatchVendor Advisory
http://www.securityfocus.com/bid/104361Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041094Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8226PatchVendor Advisory

FAQ

What is CVE-2018-8226?

CVE-2018-8226 is a vulnerability with a CVSS score of 7.5 (HIGH). A denial of service vulnerability exists in the HTTP 2.0 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability." ...

How severe is CVE-2018-8226?

CVE-2018-8226 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-8226?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows Server 1803, Microsoft Windows Server 2016.