CVE-2018-11853 : Security Advisory and Response

This CVE involves a vulnerability in Snapdragon Mobile and Snapdragon Wear processors, potentially leading to a buffer overflow situation.

Understanding CVE-2018-11853

This vulnerability arises from a lack of checks on out-of-range channels when processing channel list set commands.

What is CVE-2018-11853?

The absence of proper channel range verification in Snapdragon Mobile and Snapdragon Wear processors can result in a buffer overflow scenario during the processing of channel list set commands.

The Impact of CVE-2018-11853

The vulnerability can be exploited to trigger a buffer overflow, potentially leading to arbitrary code execution or system crashes.

Technical Details of CVE-2018-11853

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

Vulnerability Description

The vulnerability stems from the lack of checks on channels that are out of range in Snapdragon Mobile and Snapdragon Wear processors.

Affected Systems and Versions

Products: Snapdragon Mobile, Snapdragon Wear
Vendor: Qualcomm, Inc.
Versions: IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016

Exploitation Mechanism

The buffer overflow can be triggered by manipulating the channel list set command, potentially leading to unauthorized access or system compromise.

Mitigation and Prevention

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

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor for any unusual network activity that could indicate exploitation.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security patches are in place.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Implement a robust patch management process to promptly apply security fixes.