CVE-2019-19820 Memory corruption in n/a
An attacker can achieve privilege escalation, code execution, and denial-of-service via an invalid pointer vulnerability in the Kyrol Internet Security driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-19820?
CVE-2019-19820 is a high-severity memory corruption vulnerability in n/a, published on 16 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-763
Which versions are affected by CVE-2019-19820?
It affects 1 product.
Products include Kyrol Internet Security.
How do I fix CVE-2019-19820?
No fix has been published for CVE-2019-19820 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-19820 being exploited?
There is no known exploitation of CVE-2019-19820 in the wild and no public exploit code.
Sources
Also known as GHSA-4q44-xggm-4fc7.