CVE-2019-10484 : Exploit Details and Defense Strategies
Learn about CVE-2019-10484 affecting Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables. Find out the impact, affected systems, and mitigation steps.
In Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, a use after free issue can occur when command destructors access a dynamically allocated response buffer that has already been deallocated during a previous command teardown sequence.
Understanding CVE-2019-10484
This CVE involves a Use After Free issue in Secure Processor NVM handler.
What is CVE-2019-10484?
The vulnerability allows command destructors to access a response buffer that has been deallocated, leading to a use after free problem.
The Impact of CVE-2019-10484
The vulnerability can be exploited to execute arbitrary code or cause a denial of service by crashing the system.
Technical Details of CVE-2019-10484
The following technical details provide insight into the vulnerability.
Vulnerability Description
The issue arises when command destructors access a dynamically allocated response buffer that has already been deallocated during a previous command teardown sequence.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Versions: APQ8098, MSM8909W, Nicobar, QCS405, QCS605, SDA845, SDM660, SDM670, SDM710, SDM845, SDX24, SM6150, SM7150, SM8150, SM8250, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to execute arbitrary code or crash the system.
Mitigation and Prevention
To address CVE-2019-10484, the following steps are recommended:
Immediate Steps to Take
- Apply patches provided by Qualcomm.
- Monitor vendor's security bulletins for updates.
Long-Term Security Practices
- Regularly update software and firmware.
- Implement secure coding practices to prevent memory-related vulnerabilities.
Patching and Updates
- Install the latest security updates and patches from Qualcomm to mitigate the vulnerability.