CVE-2020-11218 : Security Advisory and Response
Learn about CVE-2020-11218, a denial of service vulnerability in Qualcomm Snapdragon products due to a lack of data validation. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A denial of service vulnerability in baseband affects various Qualcomm Snapdragon products due to a lack of data validation.
Understanding CVE-2020-11218
What is CVE-2020-11218?
The vulnerability occurs when the network configures LTE betaOffset-RI-Index in Qualcomm Snapdragon products without proper data validation.
The Impact of CVE-2020-11218
The vulnerability can lead to a denial of service in the baseband of affected devices, potentially disrupting network connectivity and services.
Technical Details of CVE-2020-11218
Vulnerability Description
The issue arises from a lack of data validation when configuring LTE betaOffset-RI-Index in Qualcomm Snapdragon products, allowing for a denial of service attack.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Versions: APQ8017, APQ8053, AQT1000, AR8035, and many more
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to disrupt the baseband functionality by manipulating LTE betaOffset-RI-Index settings.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm to address the vulnerability.
- Monitor network activity for any signs of exploitation or unusual behavior.
Long-Term Security Practices
- Regularly update firmware and software on affected devices to mitigate potential security risks.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Qualcomm has released security bulletins, including patches and updates, to address CVE-2020-11218 and other related vulnerabilities.