CVE-2017-15815 : What You Need to Know
Learn about CVE-2017-15815, a buffer overflow vulnerability affecting Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF, potentially leading to arbitrary code execution or denial of service.
Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF may be vulnerable to a buffer overflow when processing 802.11 MGMT frames.
Understanding CVE-2017-15815
This CVE involves a potential buffer overflow in various software systems that utilize the Linux kernel, specifically during the processing of 802.11 MGMT frames.
What is CVE-2017-15815?
A buffer overflow vulnerability that can occur in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF when handling 802.11 MGMT frames, particularly during the processing of the Auth frame within the limProcessAuthFrame function.
The Impact of CVE-2017-15815
The vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service (DoS) condition on affected systems.
Technical Details of CVE-2017-15815
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability arises due to a buffer overflow issue in the processing of 802.11 MGMT frames, specifically within the Auth frame in the limProcessAuthFrame function.
Affected Systems and Versions
- Android for MSM
- Firefox OS for MSM
- QRD Android
- All Android releases from CAF
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious 802.11 MGMT frames, triggering the buffer overflow and potentially executing arbitrary code.
Mitigation and Prevention
Protecting systems from CVE-2017-15815 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the software vendors promptly.
- Monitor network traffic for any suspicious activities related to 802.11 MGMT frames.
Long-Term Security Practices
- Implement network segmentation to contain potential attacks.
- Regularly update and patch software to address known vulnerabilities.
- Conduct security training for employees to recognize and respond to potential threats.
Patching and Updates
Ensure that all affected systems are updated with the latest security patches to mitigate the risk of exploitation.