CVE-2020-25258 : Security Advisory and Response

An issue was discovered in Hyland OnBase versions 16.0.2.83 and below, 17.0.2.109 and below, 18.0.0.37 and below, 19.8.16.1000 and below, and 20.3.10.1000 and below, allowing attackers to transmit and execute bytecode in SOAP messages.

Understanding CVE-2020-25258

This CVE identifies a vulnerability in Hyland OnBase that could be exploited by attackers to execute malicious code.

What is CVE-2020-25258?

The vulnerability in Hyland OnBase versions allows attackers to transmit and execute bytecode in SOAP messages, potentially leading to unauthorized access and control of the affected system.

The Impact of CVE-2020-25258

Exploitation of this vulnerability could result in unauthorized execution of arbitrary code, leading to potential data breaches, system compromise, and unauthorized access to sensitive information.

Technical Details of CVE-2020-25258

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue lies in how Hyland OnBase uses ASP.NET BinaryFormatter.Deserialize, enabling attackers to transmit and execute bytecode within SOAP messages.

Affected Systems and Versions

Hyland OnBase 16.0.2.83 and below
Hyland OnBase 17.0.2.109 and below
Hyland OnBase 18.0.0.37 and below
Hyland OnBase 19.8.16.1000 and below
Hyland OnBase 20.3.10.1000 and below

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious SOAP messages containing bytecode, which, when deserialized by the affected application, can lead to the execution of arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2020-25258 requires immediate action and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly to mitigate the vulnerability.
Monitor network traffic for any suspicious SOAP messages that could indicate exploitation attempts.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Regularly update and patch the Hyland OnBase software to ensure that known vulnerabilities are addressed and system security is maintained.