Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kyrol | Internet Security | 9.0.6.9 |
Related Weaknesses (CWE)
References
- https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-iExploitThird Party Advisory
- https://nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-securiExploitThird Party Advisory
- https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-iExploitThird Party Advisory
- https://nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-securiExploitThird Party Advisory
FAQ
What is CVE-2019-19820?
CVE-2019-19820 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...
How severe is CVE-2019-19820?
CVE-2019-19820 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19820?
Check the references section above for vendor advisories and patch information. Affected products include: Kyrol Internet Security.