CVE-2019-5211 Explained : Impact and Mitigation

A vulnerability in the Huawei Share function on P20 phones with versions earlier than Emily-L29C 9.1.0.311 can lead to improper file management, potentially resulting in file deletion.

Understanding CVE-2019-5211

This CVE involves a security issue in Huawei P20 phones related to file management during file transfers.

What is CVE-2019-5211?

The vulnerability in the Huawei Share function on P20 phones with specific versions allows attackers to manipulate file transfers, leading to potential file deletion on the victim's device.

The Impact of CVE-2019-5211

Exploiting this vulnerability can result in the deletion of certain files on the victim's phone, affecting data integrity and potentially causing data loss.

Technical Details of CVE-2019-5211

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability involves improper file management in the Huawei Share function on P20 phones with versions earlier than Emily-L29C 9.1.0.311. Attackers can exploit this by deceiving victims during file transfers.

Affected Systems and Versions

Product: P20
Versions Affected: Versions earlier than Emily-L29C 9.1.0.311(C10E2R1P13T8), Versions earlier than Emily-L29C 9.1.0.311(C461E2R1P11T8), Versions earlier than Emily-L29C 9.1.0.311(C605E2R1P12T8), Versions earlier than Emily-L29C 9.1.0.311(C432E7R1P11T8)

Exploitation Mechanism

Attackers exploit the vulnerability by tricking victims into executing specific actions on their mobile devices during file transfers, leading to file deletion due to inadequate file processing.

Mitigation and Prevention

Protecting against and addressing the CVE-2019-5211 vulnerability.

Immediate Steps to Take

Update affected devices to version Emily-L29C 9.1.0.311 or later to mitigate the vulnerability.
Avoid file transfers from untrusted sources to minimize the risk of exploitation.

Long-Term Security Practices

Educate users on safe file transfer practices and awareness of social engineering tactics.
Regularly monitor and audit file management activities on mobile devices to detect suspicious behavior.

Patching and Updates

Huawei may release patches or updates to address the vulnerability; ensure timely installation of these updates to enhance device security.