CVE-2019-13156 Explained : Impact and Mitigation

A stack-based buffer overflow vulnerability has been identified in Naver Cloud Explorer's NDrive(1.2.2), allowing attackers to disrupt services by reading data from IOCTL handle.

Understanding CVE-2019-13156

What is CVE-2019-13156?

CVE-2019-13156 is a vulnerability in Naver Cloud Explorer's NDrive(1.2.2) that enables attackers to exploit a stack-based buffer overflow.

The Impact of CVE-2019-13156

This vulnerability can be exploited by malicious actors to cause a denial of service by reading data from the IOCTL handle.

Technical Details of CVE-2019-13156

Vulnerability Description

A stack-based buffer overflow exists in NDrive(1.2.2).sys in Naver Cloud Explorer, allowing attackers to disrupt services by reading data from IOCTL handle.

Affected Systems and Versions

Product: NDrive
Vendor: NAVER Corporation
Versions Affected: <= 1.2.2

Exploitation Mechanism

Attackers can exploit this vulnerability to disrupt services by leveraging the stack-based buffer overflow in NDrive(1.2.2).sys.

Mitigation and Prevention

Immediate Steps to Take

Update NDrive to a patched version beyond 1.2.2.
Monitor and restrict access to IOCTL handles.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply security patches provided by NAVER Corporation to address the stack-based buffer overflow in NDrive(1.2.2).sys.