CVE-2018-11706 Explained : Impact and Mitigation

FastStone Image Viewer 6.2 is vulnerable to a User Mode Write AV at 0x00578dd8, allowing attackers to exploit a corrupted JPEG file to cause a Denial of Service (Access Violation).

Understanding CVE-2018-11706

This CVE involves a vulnerability in FastStone Image Viewer 6.2 that could lead to a Denial of Service attack.

What is CVE-2018-11706?

The User Mode Write AV at 0x00578dd8 vulnerability in FastStone Image Viewer 6.2 occurs when a user opens a corrupted JPEG file mishandled by FSViewer.exe, potentially enabling attackers to trigger a Denial of Service or other unknown impacts.

The Impact of CVE-2018-11706

Attackers can exploit this vulnerability to cause a Denial of Service (Access Violation) or potentially other harmful impacts.

Technical Details of CVE-2018-11706

FastStone Image Viewer 6.2 is susceptible to a specific type of User Mode Write AV vulnerability.

Vulnerability Description

The vulnerability arises when a user attempts to open a malformed JPEG file that is not properly handled by FSViewer.exe.

Affected Systems and Versions

Product: FastStone Image Viewer 6.2
Vendor: FastStone
Versions: All versions are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a user into opening a corrupted JPEG file, leading to a Denial of Service attack.

Mitigation and Prevention

To address CVE-2018-11706, users and organizations should take immediate and long-term security measures.

Immediate Steps to Take

Avoid opening suspicious or untrusted JPEG files.
Consider using alternative image viewing software until a patch is available.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Implement robust cybersecurity measures to prevent and detect potential attacks.

Patching and Updates

Stay informed about security updates from FastStone and apply patches as soon as they are released.