CVE-2017-3893 : Security Advisory and Response

BlackBerry QNX Software Development Platform (QNX SDP) version 6.6.0 had a vulnerability that could allow unauthorized modification of tables through buffer overflow attacks.

Understanding CVE-2017-3893

In this CVE, the default configuration of the QNX SDP system in version 6.6.0 was not always effective in preventing unauthorized modification of the GOT or PLT tables through buffer overflow attacks.

What is CVE-2017-3893?

The vulnerability in BlackBerry QNX Software Development Platform (SDP) 6.6.0 allowed attackers to potentially modify the GOT or PLT tables using buffer overflow attacks.

The Impact of CVE-2017-3893

The vulnerability could lead to unauthorized modifications of critical system tables, potentially enabling attackers to execute arbitrary code or disrupt system operations.

Technical Details of CVE-2017-3893

BlackBerry QNX SDP version 6.6.0 was affected by a specific flaw in vulnerability mitigation.

Vulnerability Description

The default configuration of the QNX SDP system did not always effectively prevent unauthorized modification of the GOT or PLT tables through buffer overflow attacks.

Affected Systems and Versions

Product: QNX Software Development Platform (QNX SDP)
Vendor: BlackBerry
Version: 6.6.0

Exploitation Mechanism

Attackers could exploit this vulnerability by leveraging buffer overflow attacks to manipulate the GOT or PLT tables, potentially leading to unauthorized system modifications.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-3893.

Immediate Steps to Take

Apply security patches provided by BlackBerry promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate system administrators and users on best security practices.
Consider implementing intrusion detection and prevention systems.
Stay informed about security advisories and updates from BlackBerry.

Patching and Updates

Ensure that all systems running BlackBerry QNX SDP are updated with the latest patches and security fixes to mitigate the vulnerability effectively.