CVE-2018-11268 : Security Advisory and Response

CVE-2018-11268 was published on September 20, 2018, by Qualcomm, Inc. The vulnerability affects multiple Snapdragon products and versions, potentially leading to a buffer overflow when parsing TFTP options.

Understanding CVE-2018-11268

This CVE identifies a buffer overflow vulnerability in various Snapdragon products, impacting the parsing of TFTP options.

What is CVE-2018-11268?

A buffer overflow vulnerability may occur when processing TFTP options in Snapdragon products, potentially leading to security risks.

The Impact of CVE-2018-11268

The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by exploiting the buffer overflow in affected Snapdragon devices.

Technical Details of CVE-2018-11268

Qualcomm's Snapdragon products are susceptible to a buffer overflow vulnerability when handling TFTP options.

Vulnerability Description

The vulnerability arises due to improper validation of array index in storage, potentially leading to a buffer overflow during TFTP option parsing.

Affected Systems and Versions

Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
Versions: FSM9055, FSM9955, MDM9607, MDM9640, MDM9650, MSM8909W, SD 425, SD 427, SD 430, SD 435, SD 450, SD 617, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SDM630, SDM636, SDM660, SDX20, Snapdragon_High_Med_2016

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger a buffer overflow by manipulating TFTP options, potentially leading to unauthorized code execution or service disruption.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2018-11268.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor network traffic for any suspicious activities.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch all software and firmware on affected devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators about safe computing practices and the importance of security updates.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Ensure timely installation of patches to address the CVE-2018-11268 vulnerability.