CVE-2019-5283 : Security Advisory and Response
Learn about CVE-2019-5283, a security vulnerability in Huawei P20 smartphones allowing FRP bypass. Find out the impact, affected versions, and mitigation steps.
A security vulnerability has been identified in certain versions of P20 Huawei smartphones, specifically those prior to Emily-AL00A 9.0.0.167 (C00E81R1P21T8), allowing for the bypass of Factory Reset Protection (FRP) and potential unauthorized access.
Understanding CVE-2019-5283
This CVE involves a security vulnerability in Huawei P20 smartphones that enables an attacker to bypass FRP and gain unauthorized access to device settings.
What is CVE-2019-5283?
The vulnerability in Huawei P20 smartphones, versions earlier than Emily-AL00A 9.0.0.167 (C00E81R1P21T8), permits the bypass of Factory Reset Protection (FRP) through the Talkback mode during re-configuration.
The Impact of CVE-2019-5283
Exploiting this vulnerability allows an attacker to bypass FRP, potentially leading to unauthorized access to the device settings and compromising user data.
Technical Details of CVE-2019-5283
This section provides technical details regarding the vulnerability in Huawei P20 smartphones.
Vulnerability Description
The vulnerability allows attackers to bypass Factory Reset Protection (FRP) on Huawei P20 smartphones, versions earlier than Emily-AL00A 9.0.0.167 (C00E81R1P21T8), by utilizing the Talkback mode during re-configuration.
Affected Systems and Versions
- Product: P20
- Vendor: Huawei
- Versions Affected: Versions earlier than Emily-AL00A 9.0.0.167 (C00E81R1P21T8)
Exploitation Mechanism
By exploiting the vulnerability during the re-configuration process and using the Talkback mode, attackers can gain access to the setting page and effectively bypass the FRP function.
Mitigation and Prevention
To address and prevent the CVE-2019-5283 vulnerability, follow these steps:
Immediate Steps to Take
- Update affected Huawei P20 smartphones to version Emily-AL00A 9.0.0.167 (C00E81R1P21T8) or later.
- Avoid re-configuring devices in potentially compromised environments.
Long-Term Security Practices
- Regularly update device software and firmware to the latest versions.
- Implement strong authentication methods and access controls to enhance device security.
Patching and Updates
- Huawei may release security patches to address the vulnerability; ensure timely installation of these updates.