CVE-2017-11089 : Exploit Details and Defense Strategies

A buffer overread vulnerability was identified in nl80211_set_station function affecting various Qualcomm products utilizing the Linux kernel.

Understanding CVE-2017-11089

This CVE involves a buffer overread issue in Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel.

What is CVE-2017-11089?

This vulnerability occurs when a user space application sends an attribute NL80211_ATTR_LOCAL_MESH_POWER_MODE with data size below 4 bytes, leading to a buffer overread in nl80211_set_station function.

The Impact of CVE-2017-11089

The vulnerability could be exploited by attackers to potentially execute arbitrary code or cause a denial of service on affected systems.

Technical Details of CVE-2017-11089

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The buffer overread vulnerability in nl80211_set_station function poses a security risk in Qualcomm products using the Linux kernel.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF utilizing the Linux kernel

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specific data to trigger the buffer overread in the nl80211_set_station function.

Mitigation and Prevention

Protecting systems from CVE-2017-11089 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Qualcomm or relevant vendors promptly.
Monitor vendor advisories and security bulletins for updates.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Ensure all affected systems are updated with the latest patches and security fixes to address the buffer overread vulnerability.