Denial of service in Kaspersky Anti-Virus products for home and Endpoint Security

1) Input validation error

EUVDB-ID: #VU62698

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27223

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A local user can run a specially crafted application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Kaspersky Anti-Virus: before 21.3.10.391(c)

Kaspersky Internet Security: before 21.3.10.391(c)

Total Security: before 21.3.10.391(c)

Small Office Security: before 21.3.10.391(c)

Security Cloud: before 21.3.10.391(c)

Endpoint Security: before 21.3.10.391(c)

External links

http://support.kaspersky.com/general/vulnerability.aspx?el=12430#310322_1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.