CVE-2020-35845 : What You Need to Know
Learn about CVE-2020-35845, a vulnerability in FastStone Image Viewer 7.5 that allows for out-of-bounds write attacks via crafted image files. Find mitigation steps and prevention measures.
FastStone Image Viewer 7.5 has an out-of-bounds write vulnerability that can be exploited via a crafted image file.
Understanding CVE-2020-35845
FastStone Image Viewer 7.5 is susceptible to an out-of-bounds write vulnerability that can be triggered by a specially crafted image file, leading to potential security risks.
What is CVE-2020-35845?
This CVE refers to a specific vulnerability in FastStone Image Viewer 7.5 that allows for an out-of-bounds write attack through manipulation of image files.
The Impact of CVE-2020-35845
The vulnerability could be exploited by an attacker to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2020-35845
FastStone Image Viewer 7.5 vulnerability details
Vulnerability Description
An out-of-bounds write vulnerability exists in FastStone Image Viewer 7.5 at FSViewer.exe+0x96cf, triggered by a maliciously crafted image file.
Affected Systems and Versions
- Product: FastStone Image Viewer 7.5
- Vendor: FastStone
- Version: 7.5
Exploitation Mechanism
The vulnerability can be exploited by enticing a user to open a specially crafted image file, leading to the execution of arbitrary code.
Mitigation and Prevention
Steps to address CVE-2020-35845
Immediate Steps to Take
- Avoid opening image files from untrusted or unknown sources.
- Consider using alternative image viewing software until a patch is available.
Long-Term Security Practices
- Keep software and applications updated to prevent vulnerabilities.
- Regularly monitor security advisories for FastStone Image Viewer.
Patching and Updates
- Check for patches or updates from FastStone to address the vulnerability in Image Viewer 7.5.