CVE-2018-8343 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it, aka "Windows NDIS Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8342.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	-
Microsoft	Windows 7	-
Microsoft	Windows 8.1	-
Microsoft	Windows Rt 8.1	-
Microsoft	Windows Server 2008	-
Microsoft	Windows Server 2012	-
Microsoft	Windows Server 2016	-

Related Weaknesses (CWE)

CWE-120

References

http://www.securityfocus.com/bid/104982Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041466Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8343Vendor Advisory
http://www.securityfocus.com/bid/104982Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041466Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8343Vendor Advisory

FAQ

What is CVE-2018-8343?

CVE-2018-8343 is a vulnerability with a CVSS score of 7.8 (HIGH). An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it, aka "Windows NDIS...

How severe is CVE-2018-8343?

CVE-2018-8343 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-8343?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008.