CVE-2020-23891 Explained : Impact and Mitigation

WildBit Viewer v6.6 is affected by a User Mode Write AV vulnerability in Editor+0x5cd7, allowing attackers to execute a denial of service attack by exploiting a crafted tiff file.

Understanding CVE-2020-23891

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

What is CVE-2020-23891?

The vulnerability in WildBit Viewer v6.6 enables attackers to trigger a denial of service by utilizing a maliciously crafted tiff file.

The Impact of CVE-2020-23891

The exploitation of this vulnerability can lead to a denial of service condition, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2020-23891

This section provides more technical insights into the CVE-2020-23891 vulnerability.

Vulnerability Description

A User Mode Write AV in Editor+0x5cd7 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) by using a specially crafted tiff file.

Affected Systems and Versions

Product: WildBit Viewer v6.6
Vendor: WildBit Software
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by an attacker through the manipulation of a crafted tiff file to trigger a denial of service condition.

Mitigation and Prevention

To address CVE-2020-23891, consider the following mitigation strategies:

Immediate Steps to Take

Avoid opening untrusted or suspicious tiff files.
Implement file type and content validation mechanisms.
Regularly update the software to the latest version.

Long-Term Security Practices

Conduct regular security assessments and audits.
Educate users on safe file handling practices.

Patching and Updates

Apply patches and updates provided by WildBit Software to fix the vulnerability and enhance system security.