CVE-2018-11865 : What You Need to Know

CVE-2018-11865 was published on October 29, 2018, by Qualcomm, Inc. This CVE affects Snapdragon Mobile and Snapdragon Wear devices due to an integer overflow issue in various versions.

Understanding CVE-2018-11865

This CVE highlights a vulnerability in Snapdragon Mobile and Snapdragon Wear devices that can lead to an integer overflow issue when calculating the size of an internal structure.

What is CVE-2018-11865?

The lack of input length validation in multiple versions of Snapdragon Mobile and Snapdragon Wear can trigger an integer overflow, potentially impacting the security of the devices.

The Impact of CVE-2018-11865

The vulnerability can result in an integer overflow, which may lead to further security issues, particularly in the WLAN (Wireless Local Area Network) context.

Technical Details of CVE-2018-11865

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises from the absence of input length validation in the affected versions of Snapdragon Mobile and Snapdragon Wear, causing an integer overflow during internal structure size calculations.

Affected Systems and Versions

Products: Snapdragon Mobile, Snapdragon Wear
Vendor: Qualcomm, Inc.
Versions: MDM9206, MDM9607, MDM9650, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 835, SD 845, SD 850, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger an integer overflow, potentially leading to buffer overflow issues in WLAN.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor for any unusual network activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update the firmware and software of affected devices.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Ensure all devices are running the latest firmware and software versions to mitigate the risk of exploitation.