CVE-2020-11303 : Security Advisory and Response
Learn about CVE-2020-11303 affecting Qualcomm's Snapdragon products. Discover the impact, affected systems, and mitigation steps for this high-severity vulnerability.
Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking by Qualcomm, Inc. are affected by a vulnerability that allows information disclosure through AMSDU frames.
Understanding CVE-2020-11303
This CVE involves accepting AMSDU frames with mismatched destination and source addresses, potentially leading to information disclosure in various Qualcomm products.
What is CVE-2020-11303?
The vulnerability in Qualcomm products allows attackers to disclose sensitive information by exploiting AMSDU frames with mismatched addresses.
The Impact of CVE-2020-11303
The vulnerability poses a high severity risk with a CVSS base score of 8.6, affecting confidentiality.
Technical Details of CVE-2020-11303
Qualcomm products are susceptible to information disclosure due to improper handling of AMSDU frames.
Vulnerability Description
Accepting AMSDU frames with mismatched destination and source addresses can lead to information disclosure in the affected Qualcomm products.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, and more
- Versions: APQ8009, APQ8053, APQ8064AU, and numerous others
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Confidentiality Impact: High
- Scope: Changed
Mitigation and Prevention
To address CVE-2020-11303, immediate steps and long-term security practices are crucial.
Immediate Steps to Take
- Apply patches provided by Qualcomm promptly
- Monitor network traffic for any suspicious activities
- Implement access controls to limit exposure
Long-Term Security Practices
- Regularly update firmware and software to the latest versions
- Conduct security assessments and audits periodically
Patching and Updates
- Refer to Qualcomm's security bulletin for specific patch details