CVE-2019-2277 : Vulnerability Insights and Analysis

A vulnerability in various Snapdragon platforms can lead to an out-of-bounds read due to the lack of NULL termination on user-controlled data.

Understanding CVE-2019-2277

What is CVE-2019-2277?

The vulnerability arises from the absence of NULL termination on user-controlled data in multiple Snapdragon platforms, potentially resulting in an out-of-bounds read.

The Impact of CVE-2019-2277

The vulnerability can be exploited to trigger an out-of-bounds read, potentially leading to unauthorized access or information disclosure.

Technical Details of CVE-2019-2277

Vulnerability Description

The issue stems from the lack of proper NULL termination on user-controlled data in various Snapdragon platforms, making them susceptible to an out-of-bounds read vulnerability.

Affected Systems and Versions

Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
Affected Versions: MSM8996AU, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX24

Exploitation Mechanism

The vulnerability can be exploited by manipulating user-controlled data to trigger an out-of-bounds read, potentially leading to security breaches.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the vulnerability.
Monitor vendor communications for updates and security advisories.

Long-Term Security Practices

Regularly update software and firmware to mitigate potential vulnerabilities.
Implement network segmentation and access controls to limit exposure to attacks.

Patching and Updates

Regularly check for security bulletins and updates from Qualcomm to ensure the latest patches are applied.