CVE-2020-11265 : What You Need to Know

Snapdragon Wired Infrastructure and Networking by Qualcomm, Inc. is affected by an information disclosure issue due to a lack of validation of pointer arguments passed to TZ BSP.

Understanding CVE-2020-11265

What is CVE-2020-11265?

This CVE describes a vulnerability in Snapdragon Wired Infrastructure and Networking that allows for information disclosure due to inadequate validation of pointer arguments.

The Impact of CVE-2020-11265

The vulnerability can lead to unauthorized access to sensitive information, potentially compromising the confidentiality of data processed by affected systems.

Technical Details of CVE-2020-11265

Vulnerability Description

The issue involves a buffer over-read in Trustzone, enabling attackers to read beyond the allocated memory, exposing critical data.

Affected Systems and Versions

Product: Snapdragon Wired Infrastructure and Networking
Versions: AR7420, AR9580, CSR8811, IPQ4018, IPQ4019, IPQ4028, IPQ4029, QCA10901, QCA4024, QCA7500, QCA7520, QCA7550, QCA8075, QCA9880, QCA9886, QCA9888, QCA9889, QCA9898, QCA9984, QCA9992, QCA9994, QCN3018, QFE1922, QFE1952, WCD9340, WSA8810

Exploitation Mechanism

The vulnerability is exploited by passing malicious pointer arguments to the Trustzone BSP, triggering the buffer over-read and disclosing sensitive information.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor network traffic for any suspicious activities that could indicate exploitation.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent security vulnerabilities.
Implement access controls and encryption mechanisms to safeguard sensitive data.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm to promptly apply patches and protect systems.