CVE-2023-42715 : What You Need to Know

This article provides detailed information about CVE-2023-42715, a security vulnerability affecting Unisoc devices.

Understanding CVE-2023-42715

CVE-2023-42715 is a vulnerability that impacts Unisoc devices due to a missing permission check in the telephony service, potentially leading to local information disclosure without requiring additional execution privileges.

What is CVE-2023-42715?

CVE-2023-42715 is a security vulnerability found in Unisoc devices, specifically affecting products like SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11 and Android 12. The vulnerability could allow an attacker to disclose local information.

The Impact of CVE-2023-42715

The impact of this vulnerability is that an attacker could exploit it to gain access to sensitive local information without the need for additional privileges, posing a risk to user privacy and data security.

Technical Details of CVE-2023-42715

CVE-2023-42715 is a result of a missing permission check in the telephony service of Unisoc devices, making it possible for threat actors to exploit the vulnerability.

Vulnerability Description

The vulnerability stems from the lack of proper permission checks in the telephony service, which could be exploited to disclose local information stored on the device.

Affected Systems and Versions

Unisoc devices including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11 and Android 12 are affected by CVE-2023-42715.

Exploitation Mechanism

Threat actors can exploit this vulnerability by leveraging the missing permission check in the telephony service to access sensitive local information without requiring additional execution privileges.

Mitigation and Prevention

To address CVE-2023-42715, immediate steps should be taken to mitigate the risk and prevent potential exploitation.

Immediate Steps to Take

Users of affected devices should be cautious while using telephony services to avoid potential information disclosure. It is recommended to update the devices with the latest security patches.

Long-Term Security Practices

Implementing robust security practices, such as regular security updates, network monitoring, and user awareness training, can help prevent similar vulnerabilities in the future.

Patching and Updates

Device vendors, such as Unisoc (Shanghai) Technologies Co., Ltd., should promptly release security patches to address the vulnerability and protect users from potential exploits.