CVE-2018-11267 : Vulnerability Insights and Analysis

CVE-2018-11267, published on September 20, 2018, by Qualcomm, Inc., affects Snapdragon Automobile, Mobile, and Wear devices. The vulnerability allows an out-of-bounds buffer write when malformed XML data is sent to deviceprogrammer/firehose.

Understanding CVE-2018-11267

This CVE identifies a critical vulnerability in various Snapdragon devices that could lead to memory corruption.

What is CVE-2018-11267?

The vulnerability in Snapdragon devices allows attackers to trigger an out-of-bounds buffer write by sending malformed XML data to deviceprogrammer/firehose, potentially leading to memory corruption.

The Impact of CVE-2018-11267

The vulnerability can result in the filling of a memory region with 0x20, potentially leading to memory corruption and exploitation by malicious actors.

Technical Details of CVE-2018-11267

Qualcomm Snapdragon devices are affected by this vulnerability, impacting various versions and products.

Vulnerability Description

The vulnerability arises due to improper validation of array index in the core of Snapdragon devices, allowing attackers to write beyond the bounds of a buffer.

Affected Systems and Versions

Products: Snapdragon Automobile, Mobile, Wear
Versions: MDM9206, MDM9607, MDM9615, MDM9640, MDM9650, MDM9655, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, SDX20, Snapdragon_High_Med_2016

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted malformed XML data to deviceprogrammer/firehose, triggering the out-of-bounds buffer write.

Mitigation and Prevention

To address CVE-2018-11267, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor Qualcomm's security bulletins for mitigation guidance.

Long-Term Security Practices

Implement network segmentation to limit exposure to vulnerable devices.
Regularly update firmware and software to protect against known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Qualcomm may release patches to address the vulnerability; ensure timely installation to mitigate the risk of exploitation.