CVE-2019-11867
5.5 · MEDIUMOverview
CVE-2019-11867 is a medium-severity vulnerability affecting realtek ndis. It was published on February 12, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from realtek. Update ndis to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2019-11867?
CVE-2019-11867 is a medium-severity vulnerability affecting realtek ndis. It was published on February 12, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2019-11867?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-11867?
Check the references section for vendor advisories and patches from realtek. Update ndis to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-11867?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-11867 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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