CVE-2017-18068 : Security Advisory and Response

Android platforms, including Android for MSM, Firefox OS for MSM, and QRD Android, are susceptible to a buffer overflow vulnerability due to incorrect buffer length calculation in the function wma_roam_scan_filter().

Understanding CVE-2017-18068

This CVE entry highlights a critical buffer overflow issue affecting various Android platforms.

What is CVE-2017-18068?

The vulnerability stems from the improper calculation of buffer length in the wma_roam_scan_filter() function within Android releases from CAF that utilize the Linux kernel.

The Impact of CVE-2017-18068

The buffer overflow in Android platforms can lead to potential security breaches, allowing attackers to execute arbitrary code or crash the system.

Technical Details of CVE-2017-18068

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from the incorrect buffer length calculation in the wma_roam_scan_filter() function, leaving Android platforms exposed to buffer overflow attacks.

Affected Systems and Versions

Android for MSM
Firefox OS for MSM
QRD Android
All Android releases from CAF using the Linux kernel

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger a buffer overflow, potentially leading to system compromise.

Mitigation and Prevention

Protecting systems from CVE-2017-18068 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply patches provided by the vendor promptly.
Monitor security bulletins for updates and advisories.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows.
Conduct regular security assessments and penetration testing.

Patching and Updates

Regularly update systems with the latest security patches to mitigate the risk of buffer overflow vulnerabilities.