CVE-2020-11259 : Exploit Details and Defense Strategies

A memory corruption vulnerability in Snapdragon Wired Infrastructure and Networking due to lack of validation of pointer arguments passed to Trustzone BSP.

Understanding CVE-2020-11259

What is CVE-2020-11259?

This CVE describes a memory corruption issue resulting from inadequate validation of pointer arguments in Snapdragon Wired Infrastructure and Networking.

The Impact of CVE-2020-11259

The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by exploiting the memory corruption.

Technical Details of CVE-2020-11259

Vulnerability Description

The vulnerability arises from the lack of proper validation of pointer arguments passed to Trustzone BSP in Snapdragon Wired Infrastructure and Networking.

Affected Systems and Versions

Affected Product: Snapdragon Wired Infrastructure and Networking
Vendor: Qualcomm, Inc.
Affected 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 can be exploited through the misuse of pointer arguments in Trustzone BSP, potentially leading to memory corruption.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor vendor's security bulletins for updates and follow recommended security practices.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent security vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Ensure all affected systems are updated with the latest patches from Qualcomm to mitigate the risk of exploitation.