CVE-2019-11867 Null dereference in n/a
A local attacker can cause a denial of service by sending a zero-sized buffer to the Realtek NDIS driver, triggering a null dereference.
- 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-2019-11867?
CVE-2019-11867 is a medium-severity vulnerability in n/a, published on 12 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Realtek NDIS driver rt640x64.sys, file version 10.1.505.2015, fails to do any size checking on an input buffer from user space, which the driver assumes has a size greater than zero bytes. To exploit this vulnerability, an attacker must send an IRP with a system buffer size of 0.
Weakness: CWE-476
Which versions are affected by CVE-2019-11867?
It affects 1 product.
Products include Realtek Ndis.
How do I fix CVE-2019-11867?
No fix has been published for CVE-2019-11867 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-11867 being exploited?
There is no known exploitation of CVE-2019-11867 in the wild and no public exploit code.
Sources
Also known as GHSA-5fj4-62hp-5pfc.