CVE-2019-11867

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory realtek.cz
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://downwithup.github.io/CVEPosts.html third party advisory
https://www.realtek.cz/realtek-network-drivers.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11867?
CVE-2019-11867 has been scored as a medium severity vulnerability.
How to fix CVE-2019-11867?
To fix CVE-2019-11867, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11867 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11867 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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