CVE-2020-15865 : What You Need to Know

A Remote Code Execution vulnerability in Stimulsoft (aka Stimulsoft Reports) 2013.1.1600.0 allows an attacker to encode C# scripts as base-64 in the report XML file, enabling them to be compiled and executed on the server, potentially leading to a full server compromise.

Understanding CVE-2020-15865

This CVE involves a critical vulnerability in Stimulsoft Reports that can be exploited for remote code execution.

What is CVE-2020-15865?

This CVE refers to a security flaw in Stimulsoft Reports 2013.1.1600.0 that permits attackers to embed C# scripts as base-64 within the report XML file. When processed by the server, these scripts can be executed, posing a severe risk of server compromise.

The Impact of CVE-2020-15865

The exploitation of this vulnerability can result in a complete compromise of the server, allowing attackers to execute arbitrary code remotely.

Technical Details of CVE-2020-15865

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

Vulnerability Description

The vulnerability allows threat actors to insert encoded C# scripts into the report XML file, which are then executed on the server, leading to potential server compromise.

Affected Systems and Versions

Product: Stimulsoft (Stimulsoft Reports)
Version: 2013.1.1600.0

Exploitation Mechanism

Attackers can encode malicious C# scripts as base-64 within the report XML file, triggering their execution on the server during processing.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate action and long-term security measures.

Immediate Steps to Take

Disable server-side processing of Stimulsoft Reports if not essential
Implement strict input validation to prevent script injection
Regularly monitor and analyze server logs for suspicious activities

Long-Term Security Practices

Conduct regular security audits and penetration testing
Keep software and systems updated with the latest security patches
Educate staff on secure coding practices and awareness of social engineering tactics

Patching and Updates

Ensure timely installation of security patches and updates for Stimulsoft Reports to address this vulnerability.