CVE-2023-28588 : Security Advisory and Response

This CVE-2023-28588 involves a transient Denial of Service (DOS) vulnerability in the Bluetooth Host related to rfc slot allocation.

Understanding CVE-2023-28588

This section delves into the specifics of the CVE, its impact, technical details, and mitigation strategies.

What is CVE-2023-28588?

CVE-2023-28588 is an integer overflow or wraparound vulnerability that occurs in the Bluetooth Host component within certain Qualcomm Snapdragon products. The vulnerability arises during rfc slot allocation, leading to a transient Denial of Service (DOS) condition.

The Impact of CVE-2023-28588

The impact of this vulnerability is rated as "HIGH" based on the CVSS v3.1 scoring system. It has a base score of 7.5, signifying a significant risk to the availability of affected systems. The attack vector is through a network and does not require any special privileges or user interaction. The confidentiality and integrity of the system are not impacted by this vulnerability.

Technical Details of CVE-2023-28588

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

Vulnerability Description

The vulnerability involves an integer overflow or wraparound within the Bluetooth Host component of Qualcomm Snapdragon products during rfc slot allocation.

Affected Systems and Versions

Various versions of Qualcomm Snapdragon products are affected by this vulnerability. These include but are not limited to APQ8017, APQ8064AU, FastConnect 6200, Flight RB5 5G Platform, SD 675, SD 855, SD 865 5G, SD 888, Snapdragon 8 Gen 1, and many others.

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a transient Denial of Service (DOS) condition in the Bluetooth Host component through malicious input related to rfc slot allocation.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2023-28588, certain steps and practices can be implemented.

Immediate Steps to Take

Update the affected Qualcomm Snapdragon products with the latest security patches provided by the vendor.
Monitor network traffic for any suspicious activity targeting Bluetooth services.

Long-Term Security Practices

Regularly update the software and firmware of Qualcomm Snapdragon devices to ensure the latest security fixes are applied.
Conduct security assessments and audits to identify and address vulnerabilities proactively.

Patching and Updates

Qualcomm has released security bulletins for December 2023 that contain patches and updates to mitigate the CVE-2023-28588 vulnerability. It is crucial to apply these patches promptly to mitigate the risk of exploitation.