Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2020-23556
CVE-2020-23556:
IrfanView vulnerability analysis and mitigation
Overview
IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000007e28. This vulnerability affects the Formats.dll plugin when reading DDS files (IrfanView Plugin).
Technical details
The vulnerability occurs in the Formats.dll plugin when processing DDS files. The specific issue is a user-mode write access violation at memory location FORMATS!GetPlugInInfo+0x7e28: 1003cab8 89448ff8 mov dword ptr [edi+ecx*4-8], eax ds:002b:0b0cd000=????????. This indicates an attempt to write to an invalid or inaccessible memory location (Research).
Impact
The vulnerability can lead to user-mode write access violations, which could result in application crashes or potential arbitrary code execution when processing specially crafted DDS files (Research).
Mitigation and workarounds
The vendor has fixed this issue in an updated version of the plugin. Users are advised to update to the latest version of the Formats plugin as mentioned on the IrfanView plugins page (IrfanView Plugin).
Additional resources
Source: This report was generated using AI
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