CVE-2019-10581 Explained : Impact and Mitigation

In Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, a use-after-free issue can occur due to NULL being assigned to the local instance of the audio device pointer after being freed instead of the global static pointer.

Understanding CVE-2019-10581

This CVE involves a vulnerability in Qualcomm products that can lead to a use-after-free issue in various Snapdragon devices.

What is CVE-2019-10581?

This CVE pertains to the incorrect assignment of NULL to the local audio device pointer, potentially resulting in a use-after-free vulnerability in multiple Qualcomm Snapdragon products.

The Impact of CVE-2019-10581

The vulnerability can be exploited to trigger a use-after-free condition, which may allow an attacker to execute arbitrary code or cause a denial of service on affected devices.

Technical Details of CVE-2019-10581

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The local instance of the audio device pointer is assigned NULL after being freed instead of the global static pointer, leading to a use-after-free issue.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Versions: APQ8009, APQ8053, MDM9206, MDM9207C, MDM9607, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8998, Nicobar, QCS605, Rennell, SA6155P, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Exploitation Mechanism

The vulnerability arises from the incorrect handling of memory pointers, allowing an attacker to manipulate the pointer to execute malicious code.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor Qualcomm's security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update the firmware and software on affected devices.
Implement network segmentation and access controls to limit exposure to potential attacks.

Patching and Updates

Ensure that all affected devices are updated with the latest patches from Qualcomm to mitigate the vulnerability effectively.