CVE-2020-11127 : Vulnerability Insights and Analysis
Learn about CVE-2020-11127, an integer overflow flaw in Qualcomm Snapdragon processors impacting various product lines. Find out the affected systems, exploitation risks, and mitigation steps.
An integer overflow vulnerability in Qualcomm Snapdragon processors can lead to a buffer overflow, impacting various Snapdragon product lines.
Understanding CVE-2020-11127
This CVE involves an integer overflow issue that can trigger a buffer overflow due to inadequate table length validation in the extensible boot Loader while handling security metadata during object loading.
What is CVE-2020-11127?
The vulnerability arises from a lack of proper table length verification in the boot Loader, potentially allowing malicious actors to exploit the flaw and execute arbitrary code.
The Impact of CVE-2020-11127
The vulnerability affects a wide range of Qualcomm Snapdragon products, including Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, Voice & Music, and Wired Infrastructure and Networking.
Technical Details of CVE-2020-11127
This section delves into the specifics of the vulnerability.
Vulnerability Description
The flaw stems from an integer overflow leading to a buffer overflow in the Qualcomm Trusted Execution Environment (QTEE).
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wired Infrastructure and Networking
- Versions: MDM9205, QCM4290, QCS405, and many more
Exploitation Mechanism
The vulnerability can be exploited by crafting malicious objects to trigger the buffer overflow, potentially allowing attackers to execute arbitrary code.
Mitigation and Prevention
Protecting systems from CVE-2020-11127 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm promptly.
- Monitor Qualcomm's security bulletins for further instructions.
Long-Term Security Practices
- Regularly update firmware and software to mitigate known vulnerabilities.
- Implement network segmentation and access controls to limit the attack surface.
Patching and Updates
- Stay informed about security updates from Qualcomm and apply them as soon as they are available.