CVE-2019-2336 Explained : Impact and Mitigation
Learn about CVE-2019-2336, a Qualcomm Snapdragon vulnerability leading to memory corruption. Find out affected systems, versions, and mitigation steps.
A vulnerability in Qualcomm Snapdragon products could lead to memory corruption due to a use after free issue.
Understanding CVE-2019-2336
This CVE pertains to a specific vulnerability affecting various Qualcomm Snapdragon products.
What is CVE-2019-2336?
The CVE-2019-2336 vulnerability involves the potential for memory corruption when using the CBO listener due to a use after free problem. This issue impacts a range of Qualcomm Snapdragon products and versions.
The Impact of CVE-2019-2336
The vulnerability could result in memory corruption, potentially leading to security breaches or system instability in affected devices.
Technical Details of CVE-2019-2336
This section provides more technical insights into the CVE-2019-2336 vulnerability.
Vulnerability Description
The vulnerability arises from the use after free issue in the QTEE component, specifically when utilizing the CBO listener.
Affected Systems and Versions
- Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IoT, Snapdragon Industrial IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
- Affected Versions: MDM9205, QCS404, SDX55, SM6150, SM7150, SM8150, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by repeatedly using the CBO listener, triggering memory corruption due to the use after free problem.
Mitigation and Prevention
To address CVE-2019-2336 and enhance system security, follow these mitigation strategies:
Immediate Steps to Take
- Implement 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 software and firmware to ensure the latest security fixes are in place.
- Conduct security assessments and audits to identify and address potential vulnerabilities proactively.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm to apply relevant patches.