CVE-2018-7763 : Security Advisory and Response

A directory traversal vulnerability has been discovered in Schneider Electric U.motion Builder software versions before v1.3.4, affecting the 'css.inc.php' file due to the 'css' parameter.

Understanding CVE-2018-7763

This CVE identifies a directory traversal vulnerability in Schneider Electric U.motion Builder software.

What is CVE-2018-7763?

The vulnerability in the 'css.inc.php' file of Schneider Electric U.motion Builder software versions prior to v1.3.4 allows for directory traversal attacks through the 'css' parameter.

The Impact of CVE-2018-7763

This vulnerability could lead to unauthorized access to sensitive system files and potentially result in information disclosure.

Technical Details of CVE-2018-7763

Schneider Electric U.motion Builder software is affected by a directory traversal vulnerability.

Vulnerability Description

The vulnerability resides in the 'css.inc.php' file, triggered by the 'css' parameter, enabling attackers to traverse directories.

Affected Systems and Versions

Product: U.Motion
Vendor: Schneider Electric SE
Versions Affected: U.motion Builder Software, all versions prior to v1.3.4

Exploitation Mechanism

Attackers exploit the 'css' parameter in the 'css.inc.php' file to navigate through directories and access unauthorized information.

Mitigation and Prevention

To address CVE-2018-7763, follow these steps:

Immediate Steps to Take

Update U.motion Builder software to version 1.3.4 or later.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Implement access controls to restrict file system access.
Conduct regular security assessments and penetration testing.

Patching and Updates

Apply security patches and updates provided by Schneider Electric.