CVE-2020-11129 : Exploit Details and Defense Strategies

Snapdragon Consumer IOT and Snapdragon Mobile devices by Qualcomm, Inc. are affected by a memory use-after-free issue in the camera app.

Understanding CVE-2020-11129

This CVE involves a vulnerability in Snapdragon Consumer IOT and Snapdragon Mobile devices that can lead to a camera app failure due to memory use-after-free.

What is CVE-2020-11129?

This CVE describes an error during capture request in the camera app, where the buffer is freed and later accessed, causing a memory use-after-free issue in Snapdragon Consumer IOT and Snapdragon Mobile devices.

The Impact of CVE-2020-11129

The vulnerability can result in the camera app failing to function properly, potentially leading to exploitation by malicious actors.

Technical Details of CVE-2020-11129

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from the buffer being freed during a capture request and then accessed later, resulting in a memory use-after-free scenario in the camera app.

Affected Systems and Versions

Products: Snapdragon Consumer IOT, Snapdragon Mobile
Versions: Bitra, Kamorta, QCS605, Saipan, SDM710, SM8250, SXR2130

Exploitation Mechanism

The vulnerability can be exploited by triggering the specific error scenario in the camera app, leading to a use-after-free condition.

Mitigation and Prevention

To address CVE-2020-11129, follow these mitigation strategies.

Immediate Steps to Take

Apply patches provided by Qualcomm promptly.
Monitor official sources for security bulletins and updates.
Limit camera app usage until the issue is resolved.

Long-Term Security Practices

Regularly update device firmware to ensure security patches are applied.
Employ security best practices to mitigate potential risks.

Patching and Updates

Stay informed about security advisories from Qualcomm.
Install firmware updates as soon as they are released to address the vulnerability.