CVE-2017-6306 Explained : Impact and Mitigation

A vulnerability was found in ytnef prior to version 1.9.1. The vulnerability pertains to a patch referred to as '9 out of 9. Directory Traversal using the filename; SanitizeFilename function in settings.c.'

Understanding CVE-2017-6306

This CVE entry describes a specific vulnerability found in ytnef.

What is CVE-2017-6306?

CVE-2017-6306 is an issue discovered in ytnef before version 1.9.1, related to a directory traversal vulnerability in the SanitizeFilename function.

The Impact of CVE-2017-6306

This vulnerability could potentially allow an attacker to traverse directories using filenames, leading to unauthorized access to sensitive files and data.

Technical Details of CVE-2017-6306

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in ytnef before 1.9.1 allows for directory traversal using filenames, specifically in the SanitizeFilename function in settings.c.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: n/a

Exploitation Mechanism

The vulnerability can be exploited by manipulating filenames to traverse directories and access unauthorized files.

Mitigation and Prevention

Protecting systems from CVE-2017-6306 is crucial to maintaining security.

Immediate Steps to Take

Update ytnef to version 1.9.1 or newer to mitigate the vulnerability.
Implement proper input validation to prevent directory traversal attacks.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates related to ytnef.