CVE-2020-11305 : What You Need to Know
Learn about CVE-2020-11305, an integer overflow vulnerability in Qualcomm Snapdragon Consumer IOT, Industrial IOT, and Voice & Music devices. Find out the impact, affected systems, and mitigation steps.
Integer overflow in boot due to improper length check on arguments received in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music.
Understanding CVE-2020-11305
This CVE involves an integer overflow vulnerability in boot due to a lack of proper length check on arguments in Qualcomm's Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Voice & Music.
What is CVE-2020-11305?
An integer overflow vulnerability in the boot process of Qualcomm's Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Voice & Music allows attackers to trigger buffer overflows by providing specially crafted arguments.
The Impact of CVE-2020-11305
This vulnerability could be exploited by malicious actors to execute arbitrary code, potentially leading to a denial of service or the compromise of the affected system.
Technical Details of CVE-2020-11305
Vulnerability Description
The issue stems from an integer overflow in the boot process, which occurs due to inadequate length validation on input arguments.
Affected Systems and Versions
- Affected Products: Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
- Affected Versions: APQ8009, APQ8053, MDM9206, PM8909, PM8916, PM8953, PMD9607, PMI8952, QCA9367, QCA9377, SMB1358, SMB1360, SMB231, WCD9326, WCD9330, WCN3660B, WCN3680B, WSA8810, WSA8815, WTR2965
Exploitation Mechanism
The vulnerability can be exploited by providing specially crafted arguments during the boot process, triggering an integer overflow that may lead to buffer overflows.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by Qualcomm to address the vulnerability promptly.
- Monitor Qualcomm's security bulletins for updates and advisories.
Long-Term Security Practices
- Implement secure coding practices to prevent integer overflow vulnerabilities.
- Regularly update and patch all software and firmware to mitigate potential security risks.
Patching and Updates
- Ensure all affected systems are updated with the latest patches from Qualcomm to fix the integer overflow vulnerability.