PT-2018-17613 · Inca Internet · Nprotect Avs V4.0

Published 2018-02-02 · Updated 2018-02-21 · CVE-2018-6525

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions nProtect AVS V4.0 version 4.0.0 before 4.0.0.39, can be simplified to: nProtect AVS V4.0 versions prior to 4.0.0.39

Description The issue allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x220458 in the driver file TKFsAv.SYS.

Recommendations For nProtect AVS V4.0 versions prior to 4.0.0.39, update to version 4.0.0.39 or later to resolve the issue.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-6525

Affected Products

Nprotect Avs V4.0

References · 4

• 🔥 https://github.com/ZhiyuanWang-Chengdu-Qihoo360/nProtectAntivirus_POC/tree/master/TKFsAv_0x220458 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-6525 · Security Note
• http://inca.co.kr/include_file/pdf_down/nProtect%20AVS%20V4%20Vulnerability%20Response%20Release%20Notes.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-6525 · Vendor Advisory