National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-6523 Detail

Current Description

In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x22045c.

Source:  MITRE
Description Last Modified:  02/09/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:C) (V2 legend)
Impact Subscore: 8.5
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from INCA Internet (02/21/2018)

The reported vulnerability is fixed in version 4.0.0.39 of nPrtoect AVS.
The fixed version(V4.0.0.39) can be downloaded through the link below.
Please download the latest version of nProtect AVS.

Download link : http://avsd.nprotect.net/avs40/setup/nProtectSetup_AVS40.exe

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://inca.co.kr/include_file/pdf_down/nProtect%20AVS%20V4%20Vulnerability%20Response%20Release%20Notes.pdf Vendor Advisory
https://github.com/ZhiyuanWang-Chengdu-Qihoo360/nProtectAntivirus_POC/tree/master/TKFsAv_0x22045c Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6523
NVD Published Date:
02/01/2018
NVD Last Modified:
02/21/2018