CVE-2019-17517 : Vulnerability Insights and Analysis

Dialog Semiconductor SDK version up to 5.0.4 for DA14580/1/2/3 devices has a vulnerability in its Bluetooth Low Energy implementation due to improper restriction of the L2CAP payload length, allowing attackers within radio range to exploit it.

Understanding CVE-2019-17517

This CVE involves a vulnerability in the Bluetooth Low Energy implementation on Dialog Semiconductor SDK versions up to 5.0.4 for DA14580/1/2/3 devices.

What is CVE-2019-17517?

The vulnerability arises from the improper restriction of the L2CAP payload length, enabling attackers within radio range to trigger a buffer overflow by sending a carefully crafted Link Layer packet.

The Impact of CVE-2019-17517

Exploiting this vulnerability can lead to a buffer overflow, potentially allowing attackers to execute arbitrary code or disrupt the device's normal operation.

Technical Details of CVE-2019-17517

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in the Bluetooth Low Energy implementation on Dialog Semiconductor SDK versions up to 5.0.4 for DA14580/1/2/3 devices results from the inadequate restriction of the L2CAP payload length.

Affected Systems and Versions

Dialog Semiconductor SDK versions up to 5.0.4 for DA14580/1/2/3 devices

Exploitation Mechanism

Attackers within radio range can exploit the vulnerability by sending a carefully crafted Link Layer packet

Mitigation and Prevention

Protecting systems from CVE-2019-17517 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Dialog Semiconductor SDK to a patched version that addresses the vulnerability
Implement network segmentation to limit exposure to potential attackers

Long-Term Security Practices

Regularly monitor for security updates and patches from Dialog Semiconductor
Conduct security assessments and penetration testing to identify and address vulnerabilities

Patching and Updates

Apply patches and updates provided by Dialog Semiconductor to fix the vulnerability