CVE-2020-11227 : Vulnerability Insights and Analysis
Learn about CVE-2020-11227, an out-of-bound write vulnerability affecting Qualcomm Snapdragon products. Understand the impact, affected systems, exploitation, and mitigation steps.
Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables by Qualcomm, Inc. are affected by an out-of-bound write vulnerability while parsing RTT/TTY packets.
Understanding CVE-2020-11227
This CVE involves a buffer copy without checking the size of the destination in Data Modem, leading to potential security risks.
What is CVE-2020-11227?
The vulnerability arises from a lack of buffer size validation during the parsing of RTT/TTY packets in various Qualcomm Snapdragon products.
The Impact of CVE-2020-11227
The vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on affected devices, posing a significant security threat.
Technical Details of CVE-2020-11227
The following technical details outline the specifics of the vulnerability:
Vulnerability Description
The issue involves an out-of-bound write vulnerability during RTT/TTY packet parsing due to inadequate buffer size checks.
Affected Systems and Versions
Numerous Qualcomm Snapdragon products are impacted, including APQ8009, APQ8009W, APQ8017, and many more listed in the provided data.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious RTT/TTY packets to trigger the out-of-bound write condition, potentially leading to unauthorized code execution.
Mitigation and Prevention
To address CVE-2020-11227, consider the following mitigation strategies:
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm promptly.
- Monitor official sources for security advisories and follow recommended actions.
Long-Term Security Practices
- Implement network segmentation to contain potential attacks.
- Conduct regular security assessments and penetration testing to identify vulnerabilities.
Patching and Updates
- Regularly update firmware and software to ensure the latest security fixes are in place.
- Follow best practices for secure coding and input validation to prevent similar vulnerabilities in the future.