CVE-2017-17700 : What You Need to Know

This CVE-2017-17700 article provides insights into a NULL pointer dereference vulnerability found in K7 Antivirus version 15.1.0309.

Understanding CVE-2017-17700

This vulnerability was made public on December 15, 2017, and affects K7 Antivirus version 15.1.0309.

What is CVE-2017-17700?

The vulnerability involves a NULL pointer dereference issue triggered by a DeviceIoControl request with the value 0x950025a4 in K7Sentry.sys version 15.1.0.59 of K7 Antivirus 15.1.0309.

The Impact of CVE-2017-17700

The vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by exploiting the NULL pointer dereference.

Technical Details of CVE-2017-17700

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability exists in K7Sentry.sys 15.1.0.59 within K7 Antivirus 15.1.0309, leading to a NULL pointer dereference via a specific DeviceIoControl request.

Affected Systems and Versions

Product: K7 Antivirus
Version: 15.1.0309

Exploitation Mechanism

The vulnerability can be exploited by sending a crafted DeviceIoControl request with the value 0x950025a4 to trigger the NULL pointer dereference.

Mitigation and Prevention

Protecting systems from CVE-2017-17700 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor vendor communications for updates and security advisories.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on safe computing practices and awareness of social engineering tactics.
Employ intrusion detection and prevention systems to detect and block malicious activities.
Keep antivirus and security software up to date.

Patching and Updates

Regularly check for updates and patches from K7 Antivirus to address the vulnerability and enhance system security.