CVE-2017-11061 Explained : Impact and Mitigation

Android for MSM, Firefox OS for MSM, QRD Android, and CAF Android releases using the Linux kernel are vulnerable to a buffer over-read when processing cfg80211 vendor sub command QCA_NL80211_VENDOR_SUBCMD_ROAM.

Understanding CVE-2017-11061

This CVE involves a potential buffer over-read vulnerability in specific Android platforms when handling a particular vendor sub command.

What is CVE-2017-11061?

CVE-2017-11061 highlights a security issue in Android for MSM, Firefox OS for MSM, QRD Android, and CAF Android versions that leverage the Linux kernel. The vulnerability arises during the processing of cfg80211 vendor sub command QCA_NL80211_VENDOR_SUBCMD_ROAM, leading to a buffer over-read possibility.

The Impact of CVE-2017-11061

The vulnerability could allow malicious actors to exploit the buffer over-read, potentially leading to information disclosure or system instability.

Technical Details of CVE-2017-11061

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability in CVE-2017-11061 occurs when processing the cfg80211 vendor sub command QCA_NL80211_VENDOR_SUBCMD_ROAM, potentially resulting in a buffer over-read.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious input to trigger the buffer over-read during the processing of the specified vendor sub command.

Mitigation and Prevention

To address CVE-2017-11061, follow these mitigation strategies:

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch all software components to mitigate potential vulnerabilities.
Implement network segmentation and access controls to limit the impact of successful exploitation.

Patching and Updates

Ensure timely installation of security updates and patches from the Android platform and relevant vendors to address the vulnerability.