Kaspersky Virus Scanner Big Size Files Malware Detection Vulnerability

CVE Category Price Severity
CVE-2021-20236 CWE-119 Not specified High
Author Risk Exploitation Type Date
Muhammad Shahmeer High Remote 2021-08-10
CVSS:4.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 0.15292 0.72143

CVSS vector description

Our sensors found this exploit at:

Below is a copy:

Kaspersky Virus Scanner Big Size Files Malware Detection Vulnerability
#Author: Emyounoone
#Title: Kaspersky Virus Scanner Big Size File Malware Detection Vulnerability
#Date: 10/08/2021
#Tested On: Windows 10



While Kaspersky Anti Virus (Windows Versions - all) is scanning system on "Full Scann Mode", If detect a big size file e.g. 3 GB and the file has got a malware to perceptible (like Kali Linux .iso file): Firstly Kaspesky Anti Virus is start lagging after that Kaspersky system is completely freeze until you shut down manually on task manager Kaspersky Anti Virus or your system. 

It dangers some of big size files perceptible malware e.g. manually enlarged RAT's execute. Because of Anti Virus script can't do anything on file like quarantine or delete file.

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