CVE-2023-28554 : Exploit Details and Defense Strategies

This CVE record pertains to a vulnerability identified as "Information Disclosure in Qualcomm IPC" that occurs when reading values from shared memory in VM.

Understanding CVE-2023-28554

This vulnerability in Qualcomm IPC involves an information disclosure issue that arises while accessing values from shared memory within a Virtual Machine (VM).

What is CVE-2023-28554?

CVE-2023-28554 is a security vulnerability that allows unauthorized access to sensitive information by exploiting the way Qualcomm IPC handles shared memory read operations in a VM environment.

The Impact of CVE-2023-28554

The impact of this vulnerability is considered moderate with a CVSSv3 base score of 6.1. It poses a high risk to the confidentiality of data as an attacker could potentially retrieve sensitive information from the shared memory without proper authorization.

Technical Details of CVE-2023-28554

This section provides detailed insights into the vulnerability, affected systems, and the exploitation mechanism associated with CVE-2023-28554.

Vulnerability Description

The vulnerability involves a buffer over-read in Qualcomm IPC, facilitating unauthorized disclosure of information during the process of reading data from shared memory within a VM.

Affected Systems and Versions

The affected platforms include various Qualcomm Snapdragon product lines such as Snapdragon Mobile, Snapdragon Wearables, Snapdragon Compute, and more. Multiple versions of the Qualcomm Snapdragon platforms are impacted by this vulnerability, including AQT1000, FastConnect 6200, Snapdragon 855, Snapdragon 865 5G, and others.

Exploitation Mechanism

The vulnerability can be exploited by malicious actors leveraging the shared memory read functionality within the Qualcomm IPC to access sensitive data without proper authorization.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-28554, it is crucial to implement appropriate mitigation strategies and security measures.

Immediate Steps to Take

Implement patches and updates provided by Qualcomm to address the vulnerability.
Enable strict access controls and permissions within the shared memory environment to restrict unauthorized access.
Monitor and audit shared memory access to detect any suspicious activities.

Long-Term Security Practices

Regularly update and patch Qualcomm devices to ensure protection against known vulnerabilities.
Conduct security assessments and audits to identify and address potential security gaps.
Educate users and administrators about the risks associated with shared memory access and best practices for secure utilization.

Patching and Updates

Qualcomm has released patches and updates to mitigate the CVE-2023-28554 vulnerability. Organizations and users are advised to promptly apply these patches to enhance the security posture of their Qualcomm-powered devices.