CVE-2017-6211 Explained : Impact and Mitigation
Learn about CVE-2017-6211, a buffer overflow vulnerability in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF. Understand the impact, affected systems, and mitigation steps.
A buffer overflow vulnerability was identified in various Android platforms, including Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel.
Understanding CVE-2017-6211
This CVE involves a buffer overflow issue that occurs during the handling of a downlink supplementary services message in specific Android platforms.
What is CVE-2017-6211?
A buffer overflow can happen during the handling of a downlink supplementary services message in various Android platforms such as Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF that utilize the Linux kernel.
The Impact of CVE-2017-6211
This vulnerability could potentially allow attackers to execute arbitrary code or cause a denial of service by exploiting the buffer overflow issue.
Technical Details of CVE-2017-6211
This section provides more in-depth technical details about the vulnerability.
Vulnerability Description
The vulnerability arises from improper input validation in MMCP, leading to a buffer overflow during the processing of a downlink supplementary services message.
Affected Systems and Versions
- Product: Android for MSM, Firefox OS for MSM, QRD Android
- Vendor: Qualcomm, Inc.
- Versions: All Android releases from CAF using the Linux kernel
Exploitation Mechanism
The buffer overflow vulnerability can be exploited by crafting a malicious downlink supplementary services message to trigger the overflow.
Mitigation and Prevention
Protecting systems from CVE-2017-6211 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Qualcomm or relevant vendors promptly.
- Monitor security bulletins and updates for mitigation guidance.
Long-Term Security Practices
- Implement secure coding practices to prevent buffer overflow vulnerabilities.
- Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities.
Patching and Updates
Regularly update and patch affected systems to ensure protection against known vulnerabilities.