CVE-2020-23893 : Security Advisory and Response

A User Mode Write AV in Editor!TMethodImplementationIntercept+0x3c3682 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.

Understanding CVE-2020-23893

This CVE involves a vulnerability in WildBit Viewer v6.6 that can be exploited to trigger a denial of service attack.

What is CVE-2020-23893?

The CVE-2020-23893 vulnerability in WildBit Viewer v6.6 enables attackers to execute a denial of service attack by utilizing a specially crafted tiff file.

The Impact of CVE-2020-23893

The vulnerability can lead to a denial of service (DoS) condition, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2020-23893

This section provides more technical insights into the CVE-2020-23893 vulnerability.

Vulnerability Description

The vulnerability lies in the User Mode Write AV in Editor!TMethodImplementationIntercept+0x3c3682 of WildBit Viewer v6.6.

Affected Systems and Versions

Product: WildBit Viewer v6.6
Vendor: WildBit Software
Version: 6.6

Exploitation Mechanism

Attackers can exploit this vulnerability by using a specifically crafted tiff file to trigger the denial of service (DoS) attack.

Mitigation and Prevention

Protecting systems from CVE-2020-23893 requires immediate actions and long-term security practices.

Immediate Steps to Take

Avoid opening untrusted or suspicious tiff files in WildBit Viewer v6.6.
Implement file type validation mechanisms to prevent the execution of malicious files.

Long-Term Security Practices

Regularly update WildBit Viewer to the latest version to patch known vulnerabilities.
Educate users on safe file handling practices to minimize the risk of exploitation.

Patching and Updates

Ensure timely installation of security patches and updates provided by WildBit Software to address the CVE-2020-23893 vulnerability.