CVE-2017-11050 : What You Need to Know
Learn about CVE-2017-11050, a buffer overflow risk in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel, potentially leading to system crashes or unauthorized code execution.
Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel are at risk of buffer overflow due to the pktlogconf tool.
Understanding CVE-2017-11050
This CVE involves a potential buffer overflow risk in various Android platforms when specific conditions are met.
What is CVE-2017-11050?
A buffer overflow vulnerability exists in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel. This vulnerability arises when the pktlogconf tool sets a pktlog buffer size smaller than the minimum source data size in the host driver.
The Impact of CVE-2017-11050
The vulnerability could allow an attacker to execute arbitrary code or crash the system, potentially leading to a denial of service (DoS) condition.
Technical Details of CVE-2017-11050
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The issue occurs when the pktlogconf tool specifies a buffer size smaller than the minimum possible source data size in the host driver, leading to a buffer overflow.
Affected Systems and Versions
- Android for MSM
- Firefox OS for MSM
- QRD Android
- All Android releases from CAF using the Linux kernel
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious payload to trigger the buffer overflow, potentially gaining unauthorized access or disrupting the system.
Mitigation and Prevention
Protecting systems from CVE-2017-11050 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply security patches provided by the respective vendors promptly.
- Monitor vendor security bulletins for updates and advisories.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate users and administrators about safe computing practices and the importance of timely updates.
Patching and Updates
- Regularly update software and firmware to ensure the latest security fixes are in place.
- Follow best practices for secure coding and configuration to prevent buffer overflow vulnerabilities.