CVE-2018-11702 : Vulnerability Insights and Analysis
Learn about CVE-2018-11702 affecting FastStone Image Viewer 6.2. Discover the impact, affected systems, exploitation details, and mitigation steps to secure your system.
FastStone Image Viewer version 6.2 encounters a User Mode Write AV vulnerability when handling corrupted JPEG files, potentially leading to denial-of-service attacks or other impacts.
Understanding CVE-2018-11702
What is CVE-2018-11702?
FastStone Image Viewer 6.2 is prone to a User Mode Write AV vulnerability triggered by opening malformed JPEG files, allowing attackers to exploit it for denial-of-service or other malicious activities.
The Impact of CVE-2018-11702
The vulnerability could result in a denial-of-service condition (Access Violation) or potentially enable attackers to execute other unspecified impacts.
Technical Details of CVE-2018-11702
Vulnerability Description
The issue arises in FastStone Image Viewer version 6.2 due to mishandling of corrupted JPEG files by the FSViewer.exe program, leading to a User Mode Write AV at memory address 0x00578cb3.
Affected Systems and Versions
- Product: FastStone Image Viewer
- Version: 6.2
Exploitation Mechanism
Malicious actors can exploit this vulnerability by tricking a user into opening a specially crafted JPEG file, causing the FSViewer.exe program to mishandle the file and trigger the User Mode Write AV.
Mitigation and Prevention
Immediate Steps to Take
- Avoid opening untrusted or suspicious JPEG files with FastStone Image Viewer.
- Consider using alternative image viewing software until a patch is available.
Long-Term Security Practices
- Regularly update software to the latest versions to mitigate known vulnerabilities.
- Implement security best practices to prevent and detect potential attacks.
Patching and Updates
Apply patches or updates provided by FastStone Image Viewer to address the vulnerability and enhance system security.