CVE-2019-11490 : What You Need to Know

Npcap 0.992 contains a vulnerability that can lead to kernel pool corruption and potential privilege escalation on Windows systems.

Understanding CVE-2019-11490

This CVE identifies a specific issue within Npcap 0.992 that could allow an attacker to execute arbitrary code in the Windows kernel.

What is CVE-2019-11490?

Npcap 0.992 is susceptible to a flaw that arises when sending a malformed .pcap file through the loopback adapter using certain functions, resulting in kernel pool corruption. This could be exploited to run unauthorized code within the Windows kernel, potentially leading to privilege escalation.

The Impact of CVE-2019-11490

The vulnerability in Npcap 0.992 poses a significant risk as it enables attackers to potentially gain escalated privileges on affected Windows systems.

Technical Details of CVE-2019-11490

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

Sending a flawed .pcap file through the loopback adapter using specific functions in Npcap 0.992 can corrupt the kernel pool, facilitating the execution of arbitrary code within the Windows kernel.

Affected Systems and Versions

Product: Npcap 0.992
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability can be exploited by sending a malformed .pcap file through the loopback adapter using pcap_sendqueue_queue() or pcap_sendqueue_transmit() functions.

Mitigation and Prevention

Protecting systems from CVE-2019-11490 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Npcap to a patched version if available
Monitor network traffic for any suspicious activities
Implement least privilege access controls

Long-Term Security Practices

Regularly update software and security patches
Conduct security audits and penetration testing
Educate users on safe computing practices

Patching and Updates

Ensure that Npcap is updated to a secure version that addresses the vulnerability.