CVE-2020-13906
IrfanView vulnerability analysis and mitigation

Overview

IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000038eb7. This vulnerability was discovered in June 2020 and affects the FORMATS plugin when processing HDR files (NVD, ManageEngine).

Technical details

The vulnerability is a user-mode write access violation that occurs in the FORMATS plugin when processing HDR files. The specific issue occurs at memory location FORMATS!GetPlugInInfo+0x38eb7, where an invalid memory write operation is attempted. The CVSS 3.0 score for this vulnerability is 8.7 (ManageEngine).

Impact

The vulnerability can lead to user-mode write access violations when processing specially crafted HDR files, potentially resulting in application crashes or arbitrary code execution (Github Research).

Exploitability

To exploit this vulnerability, an attacker must create a specially crafted HDR file and have the target user open it using IrfanView 4.54. The attack requires local access to the system (Github Research).

Mitigation and workarounds

The vendor has fixed this vulnerability in an updated version of the FORMATS plugin. Users should update their IrfanView plugins to the latest version available from the official website (IrfanView Plugins).

Additional resources


SourceThis report was generated using AI

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