CVE-2020-3676 Explained : Impact and Mitigation
Learn about CVE-2020-3676, a memory corruption vulnerability in Qualcomm Snapdragon processors due to improper array length validation. Find out the impacted systems, exploitation risks, and mitigation steps.
Possible memory corruption in perfservice due to improper validation array length taken from user application in Qualcomm Snapdragon processors.
Understanding CVE-2020-3676
What is CVE-2020-3676?
CVE-2020-3676 is a vulnerability in Qualcomm Snapdragon processors that could lead to memory corruption due to improper validation of array length from user applications.
The Impact of CVE-2020-3676
This vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on affected devices.
Technical Details of CVE-2020-3676
Vulnerability Description
The vulnerability arises from improper validation of array length in perfservice on various Qualcomm Snapdragon processor models.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Versions: APQ8096AU, APQ8098, Kamorta, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8998, Nicobar, QCM2150, QCS605, QM215, Rennell, Saipan, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by manipulating array length parameters in user applications to trigger memory corruption in perfservice.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability.
- Monitor Qualcomm's security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update software and firmware on affected devices.
- Implement proper input validation mechanisms to prevent similar vulnerabilities.
Patching and Updates
- Ensure all affected devices are updated with the latest security patches from Qualcomm to mitigate the risk of exploitation.