CVE-2020-29134 : Exploit Details and Defense Strategies

The TOTVS Fluig platform is vulnerable to path traversal through a specific parameter, potentially impacting various versions of the software.

Understanding CVE-2020-29134

This CVE involves a path traversal vulnerability in the TOTVS Fluig platform that could be exploited by attackers.

What is CVE-2020-29134?

The vulnerability allows path traversal through the parameter 'file = .. /' encoded in base64, affecting versions Fluig Lake 1.7.0, Fluig 1.6.5, and Fluig 1.6.4.

The Impact of CVE-2020-29134

The exploitation of this vulnerability could lead to unauthorized access to sensitive files and data within the affected systems.

Technical Details of CVE-2020-29134

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in the TOTVS Fluig platform enables attackers to perform path traversal using a specific encoded parameter.

Affected Systems and Versions

All versions of Fluig Lake 1.7.0
Fluig 1.6.5
Fluig 1.6.4

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the 'file' parameter with base64 encoding to traverse directories and access unauthorized files.

Mitigation and Prevention

Protecting systems from CVE-2020-29134 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement proper input validation to prevent malicious input.
Monitor and restrict access to sensitive directories.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users and administrators on secure coding practices.
Keep software and systems up to date with the latest security updates.

Patching and Updates

Regularly check for security updates and patches released by TOTVS for the Fluig platform to address and mitigate the CVE-2020-29134 vulnerability.