CVE-2020-11306 Explained : Impact and Mitigation
Learn about CVE-2020-11306, a high severity integer overflow vulnerability in Qualcomm Snapdragon products. Find out the impacted systems, exploitation details, and mitigation steps.
A possible integer overflow vulnerability in multiple Qualcomm Snapdragon products could lead to high impact security issues.
Understanding CVE-2020-11306
This CVE involves a lack of length check on user-provided data in various Qualcomm Snapdragon products, potentially resulting in an integer overflow vulnerability.
What is CVE-2020-11306?
The vulnerability stems from a lack of proper validation of user input, specifically related to the RPMB counter in Qualcomm Snapdragon products.
The Impact of CVE-2020-11306
The vulnerability has a CVSS base score of 7.8, indicating a high severity issue with significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2020-11306
This section delves into the specifics of the vulnerability affecting Qualcomm Snapdragon products.
Vulnerability Description
The issue arises from an integer overflow in the RPMB counter due to inadequate validation of user-supplied data.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Wired Infrastructure, and Networking
- Versions: AQT1000, AR8035, QCA6390, QCA6391, and many more
Exploitation Mechanism
The vulnerability can be exploited by providing specially crafted input to trigger the integer overflow in the RPMB counter.
Mitigation and Prevention
To address CVE-2020-11306 and enhance overall security, consider the following steps:
Immediate Steps to Take
- Apply patches or updates provided by Qualcomm promptly
- Monitor vendor communications for security advisories
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Conduct regular security assessments and audits
- Educate users on secure coding practices and data validation
- Employ intrusion detection systems to detect anomalous behavior
Patching and Updates
- Keep all affected Qualcomm Snapdragon products up to date with the latest security patches
- Follow best practices for secure coding and input validation to prevent similar vulnerabilities in the future