CVE-2019-16511 Explained : Impact and Mitigation

A vulnerability has been found in the DTF component of FireGiant WiX Toolset prior to version 3.11.2, allowing directory traversal during the extraction of CAB or ZIP archives.

Understanding CVE-2019-16511

This CVE identifies a security issue in the DTF component of FireGiant WiX Toolset that could be exploited for directory traversal during archive extraction.

What is CVE-2019-16511?

The vulnerability in the DTF component of FireGiant WiX Toolset allows malicious actors to perform directory traversal when extracting CAB or ZIP archives by manipulating the archive file name.

The Impact of CVE-2019-16511

This vulnerability could lead to unauthorized access to sensitive files and directories on affected systems, potentially resulting in data breaches or unauthorized modifications.

Technical Details of CVE-2019-16511

The technical aspects of this CVE provide insight into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from the improper handling of archive file names, specifically the ../ sequence, when combined with the destination path during CAB or ZIP archive extraction.

Affected Systems and Versions

Product: FireGiant WiX Toolset
Versions Affected: Prior to version 3.11.2

Exploitation Mechanism

The vulnerability allows threat actors to manipulate archive file names to traverse directories beyond the intended extraction path, potentially accessing sensitive system files.

Mitigation and Prevention

Protecting systems from CVE-2019-16511 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update FireGiant WiX Toolset to version 3.11.2 or later to mitigate the vulnerability.
Implement file and path validation checks during archive extraction to prevent directory traversal.

Long-Term Security Practices

Regularly monitor and audit file system access to detect any unauthorized activities.
Educate users on safe archive handling practices to prevent exploitation of directory traversal vulnerabilities.

Patching and Updates

Apply security patches and updates provided by FireGiant promptly to address known vulnerabilities and enhance system security.