CVE-2018-6523

HIGH 7.8CVE-2018-6523 · Published 02/02/2018 · updated 17/06/2026

In short

CVE-2018-6523 is a HIGH (CVSS 7.8) vulnerability affecting nprotect avs (inca).
Chance of exploitation in the next 30 days (EPSS): 0.35%, higher than 28.8% of all vulnerabilities.
Fix: update to 4.0.0.39 or later.

Package	Affected versions	Patched versions
nprotect avs inca	`≥ 4.0, < 4.0.0.39`	`4.0.0.39`

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.

References

inca.co.kr/include_file/pdf_down/nProtect%20AVS%20V4%20Vulnerability%20Response%20Release%20Notes.pdf · Vendor Advisory
ZhiyuanWang-Chengdu-Qihoo360/nProtectAntivirus_POC · Third Party Advisory

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