CVE-2018-10018 : Security Advisory and Response

A buffer overflow vulnerability has been discovered in the GDASPAMLib.AntiSpam ActiveX control ASK\GDASpam.dll within G DATA Total Security 25.4.0.3. This vulnerability occurs when an excessively long argument is passed to the IsBlackListed function.

Understanding CVE-2018-10018

This CVE entry describes a buffer overflow vulnerability in G DATA Total Security 25.4.0.3 due to a specific ActiveX control.

What is CVE-2018-10018?

The GDASPAMLib.AntiSpam ActiveX control ASK\GDASpam.dll in G DATA Total Security 25.4.0.3 is susceptible to a buffer overflow when a lengthy argument is provided to the IsBlackListed function.

The Impact of CVE-2018-10018

This vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2018-10018

This section provides more in-depth technical insights into the CVE-2018-10018 vulnerability.

Vulnerability Description

The GDASPAMLib.AntiSpam ActiveX control ASK\GDASpam.dll in G DATA Total Security 25.4.0.3 is prone to a buffer overflow via a long argument passed to the IsBlackListed function.

Affected Systems and Versions

Product: G DATA Total Security
Version: 25.4.0.3

Exploitation Mechanism

The vulnerability can be exploited by providing an excessively long argument to the IsBlackListed function, triggering a buffer overflow.

Mitigation and Prevention

To address CVE-2018-10018, follow these mitigation strategies:

Immediate Steps to Take

Disable the ActiveX control in affected versions.
Implement network-level protections to detect and block exploit attempts.

Long-Term Security Practices

Regularly update and patch the software to the latest version.
Conduct security assessments and code reviews to identify and remediate vulnerabilities.

Patching and Updates

Apply patches or updates provided by the vendor to fix the buffer overflow vulnerability.