CVE-2020-3635 : What You Need to Know
Learn about CVE-2020-3635, a stack-based overflow vulnerability in Qualcomm Snapdragon products. Find out the impacted systems, exploitation risks, and mitigation steps.
A stack-based overflow vulnerability affecting multiple Qualcomm Snapdragon products.
Understanding CVE-2020-3635
What is CVE-2020-3635?
This vulnerability occurs when the maximum number of arguments allowed per request in perflock is exceeded in various Qualcomm Snapdragon products.
The Impact of CVE-2020-3635
This vulnerability could allow an attacker to execute arbitrary code or crash the system, potentially leading to a denial of service (DoS) condition.
Technical Details of CVE-2020-3635
Vulnerability Description
The issue is a stack-based overflow in performance due to exceeding the maximum allowed arguments in perflock.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, Wearables
- Versions: APQ8053, APQ8096AU, APQ8098, and more
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting requests with an excessive number of arguments, triggering the overflow.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm promptly.
- Monitor Qualcomm's security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update software and firmware on affected devices.
- Implement network security measures to detect and block malicious requests.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
Qualcomm has released patches addressing this vulnerability. Ensure all affected systems are updated with the latest security fixes.