CVE-2020-23896 Explained : Impact and Mitigation

A User Mode Write AV in Editor+0x576b of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.

Understanding CVE-2020-23896

This CVE describes a vulnerability in WildBit Viewer v6.6 that could lead to a denial of service attack.

What is CVE-2020-23896?

CVE-2020-23896 is a User Mode Write AV vulnerability in WildBit Viewer v6.6 that enables attackers to trigger a DoS by exploiting a specially crafted tiff file.

The Impact of CVE-2020-23896

The vulnerability could allow malicious actors to crash the WildBit Viewer application, leading to a DoS condition and potentially disrupting user operations.

Technical Details of CVE-2020-23896

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from a User Mode Write AV in Editor+0x576b of WildBit Viewer v6.6, which can be exploited through a maliciously crafted tiff file.

Affected Systems and Versions

Affected Product: WildBit Viewer v6.6
Affected Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing a user to open a specially crafted tiff file, triggering the User Mode Write AV in the Editor component of the application.

Mitigation and Prevention

Protecting systems from CVE-2020-23896 requires immediate actions and long-term security practices.

Immediate Steps to Take

Avoid opening untrusted or suspicious tiff files in WildBit Viewer v6.6.
Consider using alternative software until a patch is available.

Long-Term Security Practices

Regularly update the software to the latest version to mitigate known vulnerabilities.
Educate users on safe file handling practices to prevent exploitation of similar vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by WildBit Viewer to address CVE-2020-23896 and other potential vulnerabilities.