CVE-2017-17701 Explained : Impact and Mitigation
Learn about CVE-2017-17701, a vulnerability in K7 Antivirus version 15.1.0309 allowing exploitation through a DeviceIoControl request. Find mitigation steps and impact details.
K7 Antivirus version 15.1.0309 has a vulnerability in K7Sentry.sys version 15.1.0.59, allowing exploitation through a specific DeviceIoControl request.
Understanding CVE-2017-17701
This CVE involves a NULL pointer dereference in K7 Antivirus.
What is CVE-2017-17701?
The vulnerability in K7 Antivirus version 15.1.0309 allows attackers to trigger a NULL pointer dereference via a crafted DeviceIoControl request.
The Impact of CVE-2017-17701
Exploitation of this vulnerability can lead to a denial of service or potentially arbitrary code execution on the affected system.
Technical Details of CVE-2017-17701
The technical aspects of this CVE are as follows:
Vulnerability Description
The vulnerability arises from a NULL pointer dereference in K7Sentry.sys version 15.1.0.59 when processing a specific DeviceIoControl request.
Affected Systems and Versions
- Affected System: K7 Antivirus version 15.1.0309
- Affected Component: K7Sentry.sys version 15.1.0.59
Exploitation Mechanism
The vulnerability can be exploited by sending a malicious DeviceIoControl request with the value of 0x950025c8.
Mitigation and Prevention
To address CVE-2017-17701, consider the following steps:
Immediate Steps to Take
- Update K7 Antivirus to a patched version.
- Monitor for any unusual system behavior that might indicate exploitation.
Long-Term Security Practices
- Regularly update antivirus software and security patches.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure timely installation of security updates and patches provided by K7 Antivirus to mitigate the vulnerability.