CVE-2019-2329 : Exploit Details and Defense Strategies

A use after free issue in the cleanup routine of various Qualcomm Snapdragon products can lead to security vulnerabilities.

Understanding CVE-2019-2329

This CVE involves a use after free issue in Qualcomm Snapdragon products due to missing pointer sanitization when a trusted application fails to start.

What is CVE-2019-2329?

The cleanup routine in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking experiences a use after free issue caused by the absence of pointer sanitization when a trusted application fails to start.

The Impact of CVE-2019-2329

This vulnerability can be exploited by attackers to execute arbitrary code or cause a denial of service, potentially compromising the security and stability of affected systems.

Technical Details of CVE-2019-2329

This section provides detailed technical information about the CVE.

Vulnerability Description

The use after free issue in the cleanup routine of Qualcomm Snapdragon products can be exploited by attackers to compromise system security.

Affected Systems and Versions

Affected Products: Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
Affected Versions: MDM9205, QCS404, QCS605, SDA845, SDM670, SDM710, SDM845, SDX55, SM6150, SM7150, SM8150, SXR1130, SXR2130

Exploitation Mechanism

The vulnerability arises due to the absence of pointer sanitization when a trusted application fails to start, leading to a use after free issue in the cleanup routine.

Mitigation and Prevention

Protecting systems from CVE-2019-2329 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor security bulletins and updates from the vendor.
Implement strict application and system security controls.

Long-Term Security Practices

Regularly update and patch all software and firmware on affected systems.
Conduct security assessments and audits to identify and mitigate vulnerabilities.
Train personnel on secure coding practices and security best practices.
Implement network segmentation and access controls to limit the impact of potential attacks.
Consider implementing intrusion detection and prevention systems.

Patching and Updates

Qualcomm has released patches and updates to address the vulnerability. Ensure timely installation of these updates to mitigate the risk of exploitation.