CVE-2023-28585 : What You Need to Know

This CVE record was published by Qualcomm on December 5, 2023, with a focus on a memory corruption issue related to loading an ELF segment in TEE Kernel.

Understanding CVE-2023-28585

This vulnerability involves an integer overflow leading to a buffer overflow in the TZ Secure OS, impacting various Qualcomm Snapdragon products and platforms.

What is CVE-2023-28585?

The CVE-2023-28585 vulnerability involves memory corruption when loading an ELF segment in TEE Kernel. It has a CVSS v3.1 base score of 8.2, indicating a high severity level due to its potential impact on confidentiality, integrity, and availability.

The Impact of CVE-2023-28585

With a low attack complexity and vector being in a local context, this vulnerability's exploitation could have a significant impact on affected systems, potentially allowing unauthorized access and manipulation of sensitive information.

Technical Details of CVE-2023-28585

This vulnerability results from an integer overflow leading to a buffer overflow in the TZ Secure OS, affecting a wide range of Qualcomm Snapdragon products and platforms.

Vulnerability Description

The vulnerability stems from an issue in the way the TEE Kernel handles the loading of an ELF segment, causing memory corruption that could be exploited by attackers to execute malicious code or disrupt system operations.

Affected Systems and Versions

Numerous Qualcomm Snapdragon products and versions are affected by CVE-2023-28585 due to the vulnerability in the TZ Secure OS. These include various modem, processor, platform, and connectivity solutions offered by Qualcomm.

Exploitation Mechanism

Exploiting this vulnerability requires high privileges, but the potential impact on affected systems is significant, with the attacker being able to compromise confidentiality, integrity, and availability.

Mitigation and Prevention

To address CVE-2023-28585, immediate steps should be taken to secure impacted systems and prevent potential exploitation of the vulnerability.

Immediate Steps to Take

Apply security patches provided by Qualcomm to address the vulnerability in the TZ Secure OS.
Monitor for any suspicious activities or attempts to exploit the vulnerability on affected systems.
Implement access controls and restrictions to mitigate the risk of unauthorized access.

Long-Term Security Practices

Regularly update and patch systems to ensure protection against known vulnerabilities.
Conduct security assessments and audits to identify and remediate potential security weaknesses.
Stay informed about security advisories and best practices to enhance overall cybersecurity posture.

Patching and Updates

Qualcomm has released security bulletins addressing CVE-2023-28585. System administrators and users of affected Qualcomm Snapdragon products should promptly apply the necessary patches to mitigate the risk posed by this vulnerability and ensure the security of their systems and data.