CVE-2020-25267 : Vulnerability Insights and Analysis

An XSS issue exists in the question-pool file-upload preview feature in ILIAS 6.4.

Understanding CVE-2020-25267

This CVE involves a cross-site scripting vulnerability in ILIAS 6.4.

What is CVE-2020-25267?

This CVE identifies a security flaw in the question-pool file-upload preview feature of ILIAS 6.4, allowing attackers to execute malicious scripts in the context of an unsuspecting user's session.

The Impact of CVE-2020-25267

The vulnerability could lead to unauthorized access to sensitive information, account takeover, and potential manipulation of data within the ILIAS platform.

Technical Details of CVE-2020-25267

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The XSS vulnerability in the question-pool file-upload preview feature of ILIAS 6.4 enables attackers to inject and execute malicious scripts within the application.

Affected Systems and Versions

System: ILIAS 6.4
Versions: All versions of ILIAS 6.4 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a specially crafted file to the question-pool feature, triggering the execution of malicious scripts when the file is previewed.

Mitigation and Prevention

Protecting systems from CVE-2020-25267 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable the file-upload preview feature in ILIAS 6.4 if not essential for operations.
Educate users about the risks of previewing files from untrusted sources.

Long-Term Security Practices

Regularly update ILIAS to the latest version to patch known vulnerabilities.
Implement content security policies to mitigate XSS attacks.

Patching and Updates

Apply security patches provided by ILIAS promptly to address the XSS vulnerability and enhance system security.