CVE-2019-10544 : Exploit Details and Defense Strategies

Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables by Qualcomm, Inc. are affected by an out-of-bound access vulnerability due to an improper length check on the source buffer in diag handlers.

Understanding CVE-2019-10544

This CVE involves an out-of-bound access vulnerability in various Qualcomm Snapdragon products.

What is CVE-2019-10544?

In Snapdragon products, improper length checking on the source buffer handling userspace data can result in an out-of-bound access vulnerability in diag handlers.

The Impact of CVE-2019-10544

This vulnerability could be exploited by attackers to gain unauthorized access to sensitive information or execute arbitrary code on affected devices.

Technical Details of CVE-2019-10544

Qualcomm's Snapdragon products are susceptible to an out-of-bound access issue due to improper length validation in diag handlers.

Vulnerability Description

The vulnerability arises from a lack of proper length validation on the source buffer handling userspace data, potentially leading to out-of-bound access in diag handlers.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables
Versions: APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8939, MSM8940, MSM8953, MSM8996AU, MSM8998, QCN7605, QCS405, QCS605, QM215, SDA660, SDA845, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to manipulate the source buffer handling userspace data, potentially leading to unauthorized access or code execution.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-10544.

Immediate Steps to Take

Apply patches provided by Qualcomm to fix the vulnerability.
Monitor for any unusual activities on the affected systems.

Long-Term Security Practices

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

Patching and Updates

Ensure all Qualcomm Snapdragon products are updated with the latest security patches to mitigate the risk of exploitation.