CVE-2017-7282 : Vulnerability Insights and Analysis

A vulnerability has been found in Unitrends Enterprise Backup versions prior to 9.1.1, allowing authenticated attackers to exploit a Local File Inclusion (LFI) flaw.

Understanding CVE-2017-7282

This CVE identifies a security issue in Unitrends Enterprise Backup that could lead to unauthorized access to sensitive files.

What is CVE-2017-7282?

The vulnerability in Unitrends Enterprise Backup versions before 9.1.1 allows authenticated attackers to read any file in the filesystem that the web server has permission to access by exploiting the downloadFile function in the restore.php file.

The Impact of CVE-2017-7282

The vulnerability poses a risk of unauthorized access to sensitive files stored on the server, potentially leading to data leakage and compromise of confidential information.

Technical Details of CVE-2017-7282

This section provides detailed technical information about the CVE.

Vulnerability Description

The downloadFile function in the restore.php file of Unitrends Enterprise Backup blindly accepts any filename passed to /api/restore/download, enabling attackers to read files in the filesystem, known as Local File Inclusion (LFI).

Affected Systems and Versions

Affected Product: Unitrends Enterprise Backup
Affected Versions: Prior to 9.1.1

Exploitation Mechanism

The flaw arises from improper validation of filenames passed to the /api/restore/download endpoint, allowing authenticated attackers to exploit the vulnerability and access unauthorized files.

Mitigation and Prevention

Protect your systems from CVE-2017-7282 with the following steps:

Immediate Steps to Take

Upgrade Unitrends Enterprise Backup to version 9.1.1 or later to mitigate the vulnerability.
Monitor file access and restrict permissions to prevent unauthorized file reads.

Long-Term Security Practices

Implement regular security audits to identify and address potential vulnerabilities.
Educate users on secure coding practices and the importance of validating user inputs.

Patching and Updates

Stay informed about security updates and patches released by Unitrends to address known vulnerabilities.