CVE-2023-33092 : Vulnerability Insights and Analysis

Bluetooth vulnerability in Qualcomm Snapdragon products.

Understanding CVE-2023-33092

This CVE involves memory corruption in Bluetooth, triggered when processing a pin reply with a pin code larger than expected.

What is CVE-2023-33092?

The CVE-2023-33092 is a high-severity vulnerability affecting Qualcomm Snapdragon products. It occurs due to memory corruption during the processing of a pin reply in Bluetooth, specifically when the received pin code from the APP layer is larger than the expected size.

The Impact of CVE-2023-33092

This vulnerability has a CVSSv3.1 base score of 8.4, categorizing it as a high-severity issue. With a low attack complexity and local attack vector, it poses a significant risk to confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2023-33092

This section provides an insight into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from memory corruption during the processing of a pin reply in Bluetooth, triggered by an oversized pin code received from the APP layer.

Affected Systems and Versions

Qualcomm Snapdragon products, including Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Mobile, are among the affected platforms. Various versions within these product lines are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability is exploited by sending a pin code larger than the expected size to the Bluetooth HOST, leading to memory corruption and potentially harmful consequences.

Mitigation and Prevention

Here are the steps to address and prevent exploitation of CVE-2023-33092.

Immediate Steps to Take

Qualcomm recommends immediately applying patches or updates provided by the vendor to mitigate the vulnerability.

Long-Term Security Practices

Enhance Bluetooth security configurations and monitoring to detect and prevent abnormal pin codes.

Patching and Updates

Regularly update Qualcomm Snapdragon products with the latest firmware patches to eliminate the vulnerability and enhance system security.