CVE-2019-2259 : Exploit Details and Defense Strategies

An error occurs when trying to allocate resources while playing a video that has dimensions larger than the supported dimension on various platforms including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MSM8909W, MSM8996AU, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, and SXR1130.

Understanding CVE-2019-2259

This CVE involves uncontrolled resource consumption in video playback on various Qualcomm platforms.

What is CVE-2019-2259?

CVE-2019-2259 is a vulnerability that triggers an error during video playback due to resource allocation issues on multiple Qualcomm platforms.

The Impact of CVE-2019-2259

The vulnerability can lead to resource exhaustion, potentially causing system instability or crashes during video playback on affected devices.

Technical Details of CVE-2019-2259

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerability results in uncontrolled resource consumption during video playback, specifically when playing videos with dimensions exceeding the supported limits.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Versions: MSM8909W, MSM8996AU, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130

Exploitation Mechanism

The vulnerability is exploited by playing videos with dimensions larger than the supported size, leading to resource allocation errors and potential system instability.

Mitigation and Prevention

Protect your systems from CVE-2019-2259 with these mitigation strategies.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm to address the vulnerability.
Avoid playing videos with dimensions that exceed the supported limits on affected devices.

Long-Term Security Practices

Regularly update your devices with the latest firmware and security patches.
Monitor and restrict video playback to prevent resource exhaustion.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm to patch vulnerabilities promptly.