CVE-2019-2326 Explained : Impact and Mitigation

An index out of bounds access vulnerability affects various Qualcomm platforms, including Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, and Wearables. This vulnerability arises due to improper validation of data tokens used as array indices.

Understanding CVE-2019-2326

This CVE identifies a critical security issue in multiple Qualcomm platforms that could lead to unauthorized access and potential exploitation.

What is CVE-2019-2326?

CVE-2019-2326 is an index out of bounds access vulnerability found in various Qualcomm platforms, allowing attackers to exploit the issue by using unvalidated data tokens as array indices.

The Impact of CVE-2019-2326

This vulnerability could be exploited by malicious actors to gain unauthorized access to sensitive information, execute arbitrary code, or disrupt the affected systems, posing a significant security risk.

Technical Details of CVE-2019-2326

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability occurs when a data token received from ADSP is used as an index in an array without proper validation, leading to out of bounds access in multiple Qualcomm platforms.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Affected Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables
Affected Versions: MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCS405, QCS605, Qualcomm 215, SD series (multiple versions)

Exploitation Mechanism

The vulnerability is exploited by using unvalidated data tokens received from ADSP as array indices, allowing attackers to access unauthorized areas of memory and potentially execute malicious code.

Mitigation and Prevention

Protecting systems from CVE-2019-2326 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch all software and firmware on affected devices.
Implement strict input validation mechanisms to prevent similar vulnerabilities in the future.

Patching and Updates

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