CVE-2018-11269 : Exploit Details and Defense Strategies

Snapdragon (Automobile, Mobile, Wear) platform by Qualcomm is affected by a potential buffer overflow vulnerability when parsing TFTP options.

Understanding CVE-2018-11269

This CVE involves a vulnerability in Qualcomm's Snapdragon platform that could lead to a buffer overflow.

What is CVE-2018-11269?

The vulnerability exists in various versions of the Snapdragon platform, potentially allowing attackers to trigger a buffer overflow by manipulating TFTP options.

The Impact of CVE-2018-11269

Attackers could exploit this vulnerability to execute arbitrary code or cause a denial of service on affected devices.
Unauthorized access to sensitive information may occur due to the buffer overflow.

Technical Details of CVE-2018-11269

Qualcomm's Snapdragon platform versions are susceptible to a buffer overflow when handling TFTP options.

Vulnerability Description

Improper validation of array index in storage leads to the buffer overflow vulnerability.

Affected Systems and Versions

Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
Versions: MDM9206, MDM9607, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, SDM710, SDX20, Snapdragon_High_Med_2016

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating TFTP options, triggering a buffer overflow.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-11269 vulnerability.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update software and firmware to protect against known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm to apply patches promptly.