CVE-2023-48350 : What You Need to Know

In January 2024, a major vulnerability known as CVE-2023-48350 was published by Unisoc. This CVE highlights a critical issue in the video decoder that could potentially lead to a local denial of service. Below is an overview of this vulnerability and how to mitigate its impact.

Understanding CVE-2023-48350

This section delves into the specifics of CVE-2023-48350.

What is CVE-2023-48350?

The vulnerability exists in the video decoder and stems from a missing bounds check, allowing for a potential out-of-bounds write. As a result, attackers could exploit this flaw to trigger a local denial of service without requiring additional execution privileges.

The Impact of CVE-2023-48350

The impact of this vulnerability can be severe. Attackers could leverage the out-of-bounds write to disrupt services and operations, potentially leading to significant downtime and service interruptions.

Technical Details of CVE-2023-48350

This section provides more technical insights into CVE-2023-48350.

Vulnerability Description

The vulnerability in the video decoder arises from the lack of proper bounds checking, enabling malicious actors to manipulate memory and cause a denial of service condition.

Affected Systems and Versions

The CVE affects specific products and versions offered by Unisoc (Shanghai) Technologies Co., Ltd. The impacted products include SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running on Android 11 and Android 12.

Exploitation Mechanism

Exploiting this vulnerability requires no additional execution privileges and can be achieved by leveraging the lack of proper boundary checks in the video decoder component.

Mitigation and Prevention

To protect systems from CVE-2023-48350, immediate steps and long-term security practices should be implemented.

Immediate Steps to Take

Apply relevant security patches provided by Unisoc to address the vulnerability effectively.
Monitor network traffic for any suspicious activities that might indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address potential vulnerabilities proactively.
Implement segmentation and access controls to limit the impact of successful attacks.

Patching and Updates

Stay informed about security updates released by Unisoc and promptly apply patches to ensure systems are protected against known vulnerabilities.