CVE-2020-3660 : What You Need to Know
Learn about CVE-2020-3660, a Qualcomm Snapdragon vulnerability allowing null-pointer dereference in video processing. Find mitigation steps and patching details.
Possible null-pointer dereference can occur while parsing mp4 clip with corrupted sample table atoms in various Qualcomm Snapdragon products.
Understanding CVE-2020-3660
What is CVE-2020-3660?
CVE-2020-3660 is a vulnerability that can lead to a null-pointer dereference when processing mp4 clips with corrupted sample table atoms in multiple Qualcomm Snapdragon product lines.
The Impact of CVE-2020-3660
This vulnerability could be exploited by an attacker to cause a denial of service or potentially execute arbitrary code on affected devices.
Technical Details of CVE-2020-3660
Vulnerability Description
The issue arises due to improper validation of array index in video processing, leading to a null-pointer dereference.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables
- Versions: APQ8009, APQ8017, APQ8053, APQ8096AU, and more
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious mp4 clip with corrupted sample table atoms, causing the null-pointer dereference.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability.
- Avoid opening or processing untrusted mp4 files.
Long-Term Security Practices
- Regularly update software and firmware on affected devices.
- Implement network security measures to prevent unauthorized access.
Patching and Updates
Qualcomm has released patches to fix the vulnerability. Ensure all affected devices are updated with the latest security patches.