CVE-2017-15997 : Vulnerability Insights and Analysis

Android application "NQ Contacts Backup & Restore" version 1.1 uses vulnerable RC4 encryption, allowing unauthorized access to user credentials stored in shared preferences.

Understanding CVE-2017-15997

The vulnerability in the Android application exposes user login credentials due to the misuse of RC4 encryption.

What is CVE-2017-15997?

The Android app "NQ Contacts Backup & Restore" version 1.1 employs RC4 encryption to protect user passwords stored in shared preferences. However, a static RC4 key makes it easier for unauthorized individuals to access user login credentials through the preferences XML file.

The Impact of CVE-2017-15997

The vulnerability poses a significant risk as attackers can potentially obtain sensitive user information, compromising user privacy and security.

Technical Details of CVE-2017-15997

The technical aspects of the CVE-2017-15997 vulnerability are as follows:

Vulnerability Description

The Android app version 1.1 of "NQ Contacts Backup & Restore" uses RC4 encryption to secure user passwords.
A fixed RC4 key allows unauthorized access to user login credentials stored in shared preferences.

Affected Systems and Versions

Product: NQ Contacts Backup & Restore
Vendor: N/A
Version: 1.1

Exploitation Mechanism

Attackers exploit the static RC4 key to gain access to user credentials through the preferences XML file.

Mitigation and Prevention

To address CVE-2017-15997, follow these steps:

Immediate Steps to Take

Avoid storing sensitive information in shared preferences.
Implement stronger encryption algorithms to safeguard user data.
Regularly monitor and audit access to sensitive files.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on secure password management practices.

Patching and Updates

Update the application to a version that uses secure encryption methods.