CVE-2018-19859 : Exploit Details and Defense Strategies

OpenRefine before version 3.2 beta allows directory traversal via a relative pathname in a ZIP archive.

Understanding CVE-2018-19859

OpenRefine vulnerability enabling directory traversal through a relative pathname in a ZIP archive.

What is CVE-2018-19859?

This CVE refers to a security flaw in OpenRefine that allows attackers to perform directory traversal by using a relative pathname within a ZIP archive.

The Impact of CVE-2018-19859

The vulnerability could be exploited by malicious actors to access sensitive files and directories on the affected system, potentially leading to unauthorized data disclosure or manipulation.

Technical Details of CVE-2018-19859

Details of the vulnerability in OpenRefine.

Vulnerability Description

Prior to version 3.2 beta, OpenRefine is susceptible to directory traversal through the use of relative pathnames in ZIP archives.

Affected Systems and Versions

Product: OpenRefine
Vendor: N/A
Versions affected: All versions prior to 3.2 beta

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious ZIP archive containing a specially crafted relative pathname to traverse directories and access unauthorized files.

Mitigation and Prevention

Measures to address and prevent exploitation of CVE-2018-19859.

Immediate Steps to Take

Update OpenRefine to version 3.2 beta or newer to mitigate the vulnerability.
Avoid opening ZIP archives from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement access controls and restrictions to limit directory traversal risks.

Patching and Updates

Stay informed about security updates for OpenRefine and apply patches as soon as they are available.