CVE-2017-0360 : What You Need to Know

In April 2017, CVE-2017-0360 was published, highlighting a vulnerability in Tryton Server versions before 3.4.0-3+deb8u3 that could be exploited by remote authenticated users. This CVE stemmed from an incomplete fix for a previous vulnerability (CVE-2016-1242).

Understanding CVE-2017-0360

CVE-2017-0360 is a security vulnerability in Tryton Server versions before 3.4.0-3+deb8u3 that allows remote authenticated users to read arbitrary files through a specific attack method.

What is CVE-2017-0360?

This CVE affects Tryton 3.x and 4.x versions up to 4.2.2, enabling remote authenticated users with specific permissions to access arbitrary files by exploiting the file_open function.

The Impact of CVE-2017-0360

The vulnerability poses a risk of information disclosure, potentially allowing unauthorized access to sensitive data stored on the affected systems.

Technical Details of CVE-2017-0360

CVE-2017-0360 involves the following technical aspects:

Vulnerability Description

The vulnerability in Tryton Server versions before 3.4.0-3+deb8u3 allows remote authenticated users to read arbitrary files by executing a specific attack leveraging the file_open function.

Affected Systems and Versions

Product: Tryton Server before 3.4.0-3+deb8u3
Versions: Tryton Server before 3.4.0-3+deb8u3

Exploitation Mechanism

Remote authenticated users with specific permissions can exploit this vulnerability by executing a "same root name but with a suffix" attack, gaining unauthorized access to files.

Mitigation and Prevention

To address CVE-2017-0360, consider the following mitigation strategies:

Immediate Steps to Take

Update Tryton Server to version 3.4.0-3+deb8u3 or later to patch the vulnerability.
Review and adjust user permissions to limit access to sensitive files.

Long-Term Security Practices

Regularly monitor and audit file access logs for unusual activities.
Educate users on secure file handling practices to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories and updates from Tryton and Debian to promptly apply patches and fixes to mitigate vulnerabilities.