ZDI-24-1273: (0Day) FastStone Image Viewer PSD File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Sep 23, 2024
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of FastStone Image Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PSD files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of FastStone Image Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-9112.

— ZDI

Affected Software

1 affected component
FastStone Image Viewer

Event History

Sep 23, 2024
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Feb 22, 2025
Advisory Published
via ZDI·02:39 AM

Frequently Asked Questions

1

What is the severity of ZDI-24-1273?

The severity of ZDI-24-1273 is rated as critical due to the potential for remote code execution.

2

How do I fix ZDI-24-1273?

To fix ZDI-24-1273, update to the latest version of FastStone Image Viewer that addresses this vulnerability.

3

What type of attacks are possible with ZDI-24-1273?

ZDI-24-1273 allows remote attackers to execute arbitrary code by tricking users into visiting malicious pages or opening malicious files.

4

Is user interaction required to exploit ZDI-24-1273?

Yes, user interaction is required as the target must visit a malicious page or open a malicious file for the exploit to succeed.

5

Which software is affected by ZDI-24-1273?

ZDI-24-1273 affects installations of FastStone Image Viewer.

Contact

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