CVE-2020-11169 : Exploit Details and Defense Strategies

A buffer over-read vulnerability in multiple Qualcomm Snapdragon products could allow attackers to exploit the Bluetooth SOC.

Understanding CVE-2020-11169

This CVE involves a buffer over-read issue in Bluetooth SOC within various Qualcomm Snapdragon products.

What is CVE-2020-11169?

The vulnerability arises due to a lack of integer overflow check while processing received L2CAP packets in several Qualcomm Snapdragon product lines.

The Impact of CVE-2020-11169

The vulnerability could be exploited by malicious actors to potentially execute arbitrary code or cause a denial of service (DoS) condition on affected devices.

Technical Details of CVE-2020-11169

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability allows for a buffer over-read during the processing of received L2CAP packets, affecting a wide range of Qualcomm Snapdragon products.

Affected Systems and Versions

Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more
Affected Versions: APQ8009, APQ8053, QCA6390, and others

Exploitation Mechanism

The issue occurs due to the absence of an integer overflow check, enabling attackers to exploit the Bluetooth SOC.

Mitigation and Prevention

Protecting systems from CVE-2020-11169 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply patches provided by Qualcomm promptly to address the vulnerability.
Monitor official sources for updates and security advisories.

Long-Term Security Practices

Regularly update firmware and software to mitigate potential security risks.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and patches released by Qualcomm for the affected products and versions.