CVE-2023-21650 : What You Need to Know

This CVE-2023-21650 pertains to a Memory Corruption vulnerability found in the GPS HLOS Driver of Qualcomm Snapdragon products. The vulnerability occurs when injectFdclData receives data with an invalid data length.

Understanding CVE-2023-21650

This section will delve into the details of what CVE-2023-21650 is all about, its impacts, technical details, and mitigation strategies.

What is CVE-2023-21650?

CVE-2023-21650 involves a memory corruption issue within the GPS HLOS Driver of Qualcomm's Snapdragon products. Specifically, the vulnerability arises when injectFdclData processes data with an incorrect data length, potentially leading to exploitation by threat actors.

The Impact of CVE-2023-21650

The impact of this vulnerability is significant, with a CVSSv3.1 base score of 6.7 (Medium severity). The vulnerability has a low attack complexity and requires high privileges, posing high risks to confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2023-21650

In this segment, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability is characterized by improper validation of Array Index in the GPS HLOS Driver, which can be exploited through injectFdclData with invalid data length.

Affected Systems and Versions

Multiple Qualcomm Snapdragon products are affected by this vulnerability, including versions like AQT1000, QCA6390, QCS410, SD855, and many more. These versions are vulnerable to memory corruption when processing specific data.

Exploitation Mechanism

The vulnerability can be exploited when malicious actors send specially crafted data with an incorrect data length to the injectFdclData function in the GPS HLOS Driver, triggering memory corruption issues.

Mitigation and Prevention

This section focuses on the steps that organizations and users can take to mitigate the risk posed by CVE-2023-21650.

Immediate Steps to Take

Organizations should consider implementing security patches provided by Qualcomm to address the vulnerability. Additionally, restricting access to potentially vulnerable systems can help mitigate the risk of exploitation.

Long-Term Security Practices

Regular security updates, vulnerability scanning, and threat intelligence monitoring can enhance the overall security posture of systems, reducing the likelihood of successful attacks.

Patching and Updates

Ensuring that all affected Qualcomm Snapdragon products are updated with the latest security patches from Qualcomm is crucial in safeguarding against the memory corruption vulnerability in the GPS HLOS Driver. Regularly checking for updates and applying them promptly can help prevent exploitation.