Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-23554
CVE-2020-23554:
IrfanView vulnerability analysis and mitigation
Overview
IrfanView 4.54 contains a user-mode write access violation vulnerability (CVE-2020-23554) in its FORMATS!GetPlugInInfo functionality. The vulnerability was discovered in 2020 and affects the DDS file handling component of the software, specifically at offset +0x0000000000007e20 (MITRE CVE, Research Repository).
Technical details
The vulnerability manifests as a user-mode write access violation at FORMATS!GetPlugInInfo+0x7e20, specifically at memory address 1003cab0 with the instruction 'mov dword ptr [edi+ecx*4-0Ch], eax ds:002b:0af1d000=????????'. This occurs during the processing of DDS format files in the Formats.dll plugin (Research Repository).
Impact
When successfully exploited, the vulnerability can lead to user-mode write access violations, potentially causing application crashes or unstable behavior when processing DDS files (Research Repository).
Mitigation and workarounds
The vendor has addressed this vulnerability by releasing fixed versions of the plugin. Users are advised to update to the latest version of the Formats plugin and IrfanView software (IrfanView Plugins).
Additional resources
Source: This report was generated using AI
Related IrfanView vulnerabilities:
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