CVE-2019-14251 Explained : Impact and Mitigation

T24 in TEMENOS Channels R15.01 has a vulnerability that allows attackers to access files outside the restricted directory.

Understanding CVE-2019-14251

This CVE describes a security issue in T24 in TEMENOS Channels R15.01 that enables unauthorized access to files on the server.

What is CVE-2019-14251?

An attacker can exploit the downloadDocServer() function to navigate the file system and access files or directories outside the restricted directory due to the utilization of WealthT24/GetImage with specific parameters.

The Impact of CVE-2019-14251

This vulnerability can lead to unauthorized access to sensitive files and directories on the server, potentially exposing confidential information.

Technical Details of CVE-2019-14251

T24 in TEMENOS Channels R15.01 vulnerability details.

Vulnerability Description

The issue in T24 in TEMENOS Channels R15.01 allows attackers to access files outside the restricted directory by leveraging the downloadDocServer() function.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers exploit the downloadDocServer() function in conjunction with specific parameters to traverse the file system and access unauthorized files.

Mitigation and Prevention

Protecting systems from CVE-2019-14251.

Immediate Steps to Take

Disable or restrict access to the downloadDocServer() function.
Implement proper input validation to prevent unauthorized file access.
Monitor and log file access attempts for suspicious activities.

Long-Term Security Practices

Regularly update and patch the software to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Apply patches or updates provided by TEMENOS to fix the vulnerability and enhance system security.