CVE-2023-28555 : What You Need to Know

This CVE-2023-28555 was published by Qualcomm on August 8, 2023. It involves a transient denial-of-service (DOS) vulnerability in Audio when remapping the channel buffer in media codec decoding.

Understanding CVE-2023-28555

This section will delve into the details of the CVE-2023-28555 vulnerability, including its impact, technical description, affected systems, and mitigation strategies.

What is CVE-2023-28555?

The CVE-2023-28555 vulnerability pertains to a transient DOS issue in Audio, specifically revolving around the remapping of channel buffer during media codec decoding.

The Impact of CVE-2023-28555

With a CVSS v3.1 base score of 7.5 and a severity rating of "High," this vulnerability can cause significant availability impact, potentially leading to service disruptions.

Technical Details of CVE-2023-28555

In this section, we will explore the technical aspects of CVE-2023-28555, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability involves a buffer over-read in the audio function that occurs while remapping the channel buffer during media codec decoding.

Affected Systems and Versions

Multiple products under the Snapdragon platform by Qualcomm are affected, including versions like AR8035, FastConnect series, MDM9628, QCA series, Snapdragon 8 Gen 1, and many more.

Exploitation Mechanism

This vulnerability can be exploited by an attacker to trigger a transient denial-of-service condition in devices using the affected Qualcomm Snapdragon products.

Mitigation and Prevention

To safeguard against CVE-2023-28555, it is crucial to take immediate and long-term security measures to mitigate the risks posed by this vulnerability.

Immediate Steps to Take

System administrators are advised to apply patches and updates provided by Qualcomm promptly.
Implement network security measures to detect and block potential exploitation attempts targeting this vulnerability.

Long-Term Security Practices

Regularly monitor security bulletins and updates from Qualcomm to stay informed about potential vulnerabilities.
Conduct regular security audits and vulnerability assessments to ensure comprehensive protection against similar threats.

Patching and Updates

Qualcomm has released patches addressing the CVE-2023-28555 vulnerability, and users are strongly recommended to apply these security updates to eliminate the risk of exploitation.