CVE-2020-11155 : What You Need to Know

A buffer overflow vulnerability in Qualcomm Snapdragon products can lead to security issues.

Understanding CVE-2020-11155

This CVE involves a buffer overflow in Qualcomm Snapdragon products due to inadequate buffer length checks.

What is CVE-2020-11155?

The vulnerability arises from a buffer overflow during PDU packet processing in Bluetooth, caused by insufficient buffer length verification before data copying.

The Impact of CVE-2020-11155

The vulnerability can be exploited to execute arbitrary code or trigger a denial of service (DoS) attack on affected devices.

Technical Details of CVE-2020-11155

Qualcomm Snapdragon products are affected by this buffer overflow vulnerability.

Vulnerability Description

The issue stems from a lack of buffer length validation during PDU packet processing in Bluetooth, potentially leading to a buffer overflow.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wired Infrastructure and Networking
Versions: APQ8009, APQ8053, QCA6390, QCN7605, QCN7606, SA415M, SA515M, SA6155P, SA8155P, SC8180X, SDX55

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious PDU packets to trigger the buffer overflow.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2020-11155.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Qualcomm has released security bulletins addressing this vulnerability. Ensure all affected devices are updated with the latest patches to mitigate the risk of exploitation.