CVE-2017-12787 : Vulnerability Insights and Analysis

CVE-2017-12787 was published on August 22, 2017, and involves a vulnerability in NoviSwitch devices running NoviWare software distribution version NW400.2.6 or earlier. Remote attackers can exploit this issue to execute privileged code on the switch.

Understanding CVE-2017-12787

This CVE entry highlights a critical security flaw in NoviSwitch devices that could lead to unauthorized remote code execution.

What is CVE-2017-12787?

The vulnerability in the novi_process_manager_daemon service on NoviSwitch devices allows remote attackers to execute privileged code without authentication by triggering a stack-based buffer overflow.

The Impact of CVE-2017-12787

The exploitation of this vulnerability can result in remote attackers gaining root access to the affected switch, compromising its security and potentially causing significant damage.

Technical Details of CVE-2017-12787

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The bug in the novi_process_manager_daemon service exposes a network interface when ACLs are modified, enabling remote attackers to execute privileged code on the switch.

Affected Systems and Versions

NoviSwitch devices running NoviWare software distribution version NW400.2.6 or earlier

Exploitation Mechanism

Remote attackers exploit the vulnerability by sending incoming packet data containing embedded operating system commands to trigger a stack-based buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2017-12787 requires immediate action and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly
Implement network segmentation to limit the attack surface
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update and patch all software and firmware
Conduct security audits and penetration testing
Educate users and administrators on best security practices

Patching and Updates

Check for and apply patches provided by NoviSwitch to address the vulnerability