CVE-2019-14322 : Vulnerability Insights and Analysis

Pallets Werkzeug versions prior to 0.15.5 have a flaw in the way SharedDataMiddleware handles Windows pathnames with drive names (e.g., C:).

Understanding CVE-2019-14322

In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.

What is CVE-2019-14322?

This CVE refers to a vulnerability in Pallets Werkzeug versions prior to 0.15.5, where the SharedDataMiddleware component incorrectly processes Windows pathnames containing drive names like C:.

The Impact of CVE-2019-14322

The vulnerability could allow an attacker to manipulate Windows pathnames with drive names, potentially leading to path traversal attacks and unauthorized access to sensitive files.

Technical Details of CVE-2019-14322

Pallets Werkzeug versions prior to 0.15.5 are affected by this vulnerability.

Vulnerability Description

The flaw lies in the mishandling of drive names in Windows pathnames by the SharedDataMiddleware component.

Affected Systems and Versions

Product: Pallets Werkzeug
Vendor: N/A
Versions affected: All versions prior to 0.15.5

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious requests containing manipulated Windows pathnames with drive names to perform path traversal attacks.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-14322.

Immediate Steps to Take

Update Pallets Werkzeug to version 0.15.5 or later to patch the vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent path traversal attacks.

Long-Term Security Practices

Regularly monitor and audit file access permissions to detect unauthorized activities.
Stay informed about security updates and best practices to enhance overall system security.

Patching and Updates

Apply security patches promptly to ensure that known vulnerabilities are addressed and system integrity is maintained.