CVE-2020-11120 : What You Need to Know
Learn about CVE-2020-11120 affecting Qualcomm Snapdragon products. Discover the impact, affected systems, exploitation risks, and mitigation steps for this Use After Free vulnerability.
Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables by Qualcomm, Inc. are affected by a Use After Free vulnerability.
Understanding CVE-2020-11120
This CVE involves a scenario where a calling thread may free the data buffer pointer passed to a callback, leading to a use after free issue.
What is CVE-2020-11120?
The vulnerability in various Qualcomm Snapdragon products can result in an invalid data buffer during callback execution, potentially leading to a use after free scenario.
The Impact of CVE-2020-11120
The vulnerability could be exploited to execute arbitrary code or cause a denial of service, posing a significant security risk to affected systems.
Technical Details of CVE-2020-11120
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue arises when a calling thread frees the data buffer pointer passed to a callback, causing the data buffer to become invalid during callback execution.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Versions: APQ8096AU, APQ8098, Bitra, Kamorta, MSM8917, MSM8953, MSM8998, QCM2150, QCS405, QCS605, QM215, Rennell, Saipan, SDM429, SDM439, SDM450, SDM632, SM6150, SM7150, SM8150, SM8250, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to manipulate the callback mechanism and potentially execute unauthorized code or disrupt system operations.
Mitigation and Prevention
Protecting systems from CVE-2020-11120 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability.
- Monitor for any unusual system behavior that could indicate exploitation of the issue.
Long-Term Security Practices
- Regularly update software and firmware to ensure the latest security patches are in place.
- Implement secure coding practices to prevent similar vulnerabilities in the future.
Patching and Updates
- Qualcomm has released patches to mitigate the vulnerability. Ensure all affected systems are updated with the latest patches to prevent exploitation.