CVE-2023-28586 Explained : Impact and Mitigation

This CVE record pertains to an information disclosure vulnerability identified as CVE-2023-28586, affecting Qualcomm products.

Understanding CVE-2023-28586

This vulnerability involves information disclosure when the trusted application metadata symbol addresses are accessed while loading an ELF in TEE.

What is CVE-2023-28586?

CVE-2023-28586 is categorized as an information disclosure vulnerability that can potentially lead to the exposure of sensitive information due to improper handling of metadata symbol addresses in a Trusted Execution Environment (TEE).

The Impact of CVE-2023-28586

The impact of this vulnerability is considered medium, with a CVSS base score of 6. It can result in high confidentiality impact, as unauthorized access to metadata symbol addresses may lead to the disclosure of sensitive data.

Technical Details of CVE-2023-28586

This vulnerability affects various Qualcomm products, including Snapdragon processors across different versions and platforms. The affected systems range from mobile platforms to IoT and networking devices.

Vulnerability Description

The vulnerability involves an improper restriction of operation within the bounds of a memory buffer in the TZ Secure OS, allowing for unauthorized access to metadata symbol addresses.

Affected Systems and Versions

Multiple Qualcomm products are affected by CVE-2023-28586, including Snapdragon processors like Snapdragon 8 Gen 1, Snapdragon 865 5G, Snapdragon 888, and many others across different platforms and versions.

Exploitation Mechanism

The vulnerability can be exploited through local attack vectors with high privileges required. Attackers with access to the system can potentially leverage this vulnerability to obtain sensitive information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-28586, it is essential to implement appropriate security measures and follow best practices to enhance system protection.

Immediate Steps to Take

Update affected Qualcomm products with the latest security patches provided by the vendor.
Monitor system logs and network traffic for any suspicious activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and firmware of Qualcomm devices to ensure the latest security enhancements are in place.
Implement strict access controls and user permissions to limit unauthorized access to sensitive information.

Patching and Updates

Qualcomm has released security bulletin updates for December 2023 addressing CVE-2023-28586. It is crucial for users to apply these patches promptly to mitigate the vulnerability.

For more detailed information, you can refer to the official Qualcomm December 2023 security bulletin.