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CVE-2020-23895 : What You Need to Know

Learn about CVE-2020-23895, a User Mode Write AV vulnerability in WildBit Viewer v6.6 that allows DoS attacks via crafted tiff files. Find mitigation steps and preventive measures.

WildBit Viewer v6.6 is susceptible to a User Mode Write AV vulnerability in Editor+0x76af, allowing attackers to trigger a denial of service (DoS) by exploiting a crafted tiff file.

Understanding CVE-2020-23895

This CVE involves a specific vulnerability in WildBit Viewer v6.6 that can be exploited to cause a DoS attack.

What is CVE-2020-23895?

The CVE-2020-23895 vulnerability in WildBit Viewer v6.6 enables attackers to execute a User Mode Write AV in Editor+0x76af, leading to a DoS condition through a maliciously crafted tiff file.

The Impact of CVE-2020-23895

The exploitation of this vulnerability can result in a denial of service, disrupting the normal operation of WildBit Viewer v6.6 and potentially affecting user productivity and system stability.

Technical Details of CVE-2020-23895

WildBit Viewer v6.6 is affected by a specific vulnerability that allows for a User Mode Write AV in Editor+0x76af, leading to a DoS attack.

Vulnerability Description

A User Mode Write AV in Editor+0x76af of WildBit Viewer v6.6 permits attackers to launch a DoS attack by utilizing 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 malicious actors through the use of a specifically crafted tiff file to trigger the User Mode Write AV in Editor+0x76af, resulting in a DoS condition.

Mitigation and Prevention

To address CVE-2020-23895 and enhance system security, consider the following steps:

Immediate Steps to Take

        Avoid opening untrusted or suspicious tiff files in WildBit Viewer v6.6.
        Implement file type and content validation mechanisms to detect and block malicious tiff files.

Long-Term Security Practices

        Regularly update WildBit Viewer to the latest version to patch known vulnerabilities.
        Conduct security assessments and penetration testing to identify and mitigate potential risks.

Patching and Updates

        Stay informed about security advisories related to WildBit Viewer and promptly apply patches released by the vendor to address vulnerabilities.

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