CVE-2019-19820 Information

Description

An invalid pointer vulnerability in IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation denial-of-service and code execution via usermode because 0x9C402405 using METHOD_NEITHER results in a read primitive.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-internet-security-invalid-pointer-vulnerability.md https://nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-security-invalid-pointer-vulnerability.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8