CVE-2019-14127 : Vulnerability Insights and Analysis

Possible buffer overflow issues may occur while playing an mkv clip on various Snapdragon platforms, including Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, and Snapdragon Wearables. The affected chipsets include APQ8009, APQ8017, APQ8053, APQ8064, APQ8096AU, APQ8098, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, MSM8998, Nicobar, QCS605, QM215, Rennell, SA6155P, Saipan, SDA660, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SM6150, SM7150, SM8150, SM8250, SXR1130, and SXR2130. This vulnerability arises from the absence of proper validation of the atom size buffer.

Understanding CVE-2019-14127

Possible buffer overflow vulnerability in Snapdragon platforms while playing mkv clips.

What is CVE-2019-14127?

The vulnerability allows for buffer overflow issues when playing mkv clips on various Snapdragon platforms due to inadequate validation of the atom size buffer.

The Impact of CVE-2019-14127

Attackers can exploit this vulnerability to execute arbitrary code or cause a denial of service on affected devices.

Technical Details of CVE-2019-14127

The technical aspects of the vulnerability in Snapdragon platforms.

Vulnerability Description

Type: Buffer Copy Without Checking Size of Input in Video

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Versions: APQ8009, APQ8017, APQ8053, APQ8064, APQ8096AU, APQ8098, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, MSM8998, Nicobar, QCS605, QM215, Rennell, SA6155P, Saipan, SDA660, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the atom size buffer while playing mkv clips.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-14127 vulnerability.

Immediate Steps to Take

Apply patches provided by Qualcomm to address the buffer overflow issue.
Avoid playing untrusted mkv clips on affected devices.

Long-Term Security Practices

Regularly update devices with the latest security patches.
Implement proper input validation mechanisms to prevent buffer overflow vulnerabilities.

Patching and Updates

Keep devices up to date with the latest firmware and security updates to mitigate the vulnerability.