CVE-2017-7458 : Security Advisory and Response

CVE-2017-7458 pertains to a vulnerability in the NetworkInterface::getHost function within ntopng version before 3.0. Attackers can exploit this flaw remotely, leading to a denial of service by causing a NULL pointer dereference and application crash.

Understanding CVE-2017-7458

This CVE involves a vulnerability in the getHost function of ntopng version before 3.0, allowing remote attackers to trigger a denial of service.

What is CVE-2017-7458?

The vulnerability in the getHost function of ntopng version before 3.0 enables attackers to remotely exploit the system, resulting in a denial of service by causing a NULL pointer dereference and application crash.

The Impact of CVE-2017-7458

The exploitation of this vulnerability can lead to a denial of service, potentially disrupting the availability of the application and causing system crashes.

Technical Details of CVE-2017-7458

This section provides detailed technical information about the CVE.

Vulnerability Description

The getHost function in NetworkInterface.cpp within ntopng version before 3.0 allows remote attackers to cause a denial of service by exploiting a NULL pointer dereference and application crash through an empty field.

Affected Systems and Versions

Affected Version: ntopng version before 3.0
Systems: Any system running the vulnerable ntopng version

Exploitation Mechanism

Attackers exploit the vulnerability by providing an empty field where a hostname or IP address was expected.

Mitigation and Prevention

Protecting systems from CVE-2017-7458 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update ntopng to version 3.0 or newer to mitigate the vulnerability.
Monitor network traffic for any suspicious activities that could indicate an ongoing attack.

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security advisories related to ntopng and promptly apply any patches released by the vendor to address vulnerabilities.