CVE-2021-29358
IrfanView vulnerability analysis and mitigation

Overview

A buffer overflow vulnerability was discovered in IrfanView version 4.57, specifically in the FORMATS!ReadPVR_W+0xfa component. The vulnerability allows attackers to cause a denial of service (DOS) via a crafted PVR file (NVD, GitHub Research).

Technical details

The vulnerability is classified as an out-of-bounds read issue (CWE-125) in the PVR file processing functionality of IrfanView 4.57. The CVSS v3.1 base score is 5.5 (MEDIUM) with a vector of CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H, indicating local access is required and user interaction is needed (NVD).

Impact

When successfully exploited, the vulnerability can lead to a denial of service condition, affecting the availability of the application. The attack requires user interaction, specifically opening a maliciously crafted PVR file (NVD).

Mitigation and workarounds

Users should upgrade to a version newer than IrfanView 4.57 to address this vulnerability. The affected version has been confirmed as IrfanView 4.57 (NVD).

Additional resources


SourceThis report was generated using AI

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