CVE-2020-35844 : Exploit Details and Defense Strategies
Learn about CVE-2020-35844, a vulnerability in FastStone Image Viewer 7.5 that allows for an out-of-bounds write via a crafted image file. Find out the impact, affected systems, exploitation details, and mitigation steps.
FastStone Image Viewer 7.5 has an out-of-bounds write vulnerability that can be exploited via a crafted image file.
Understanding CVE-2020-35844
FastStone Image Viewer 7.5 vulnerability details.
What is CVE-2020-35844?
The CVE-2020-35844 vulnerability involves an out-of-bounds write issue in FastStone Image Viewer 7.5, triggered by a specially crafted image file.
The Impact of CVE-2020-35844
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the out-of-bounds write issue in FSViewer.exe.
Technical Details of CVE-2020-35844
Insight into the technical aspects of the CVE-2020-35844 vulnerability.
Vulnerability Description
The vulnerability in FastStone Image Viewer 7.5 allows for an out-of-bounds write at FSViewer.exe+0xbe9c4, which can be exploited through a malicious image file.
Affected Systems and Versions
- Product: FastStone Image Viewer 7.5
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by an attacker through a specially crafted image file to trigger the out-of-bounds write at FSViewer.exe+0xbe9c4.
Mitigation and Prevention
Measures to mitigate and prevent the CVE-2020-35844 vulnerability.
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 for security advisories related to FastStone Image Viewer.
Patching and Updates
Stay informed about patches or updates released by FastStone Image Viewer to address the CVE-2020-35844 vulnerability.