Advisory Details

June 12th, 2024

IrfanView PNT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-24-667
ZDI-CAN-23969

CVE ID CVE-2024-5874
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS IrfanView
AFFECTED PRODUCTS IrfanView
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView. 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 PNT 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in the new Formats plugin
https://www.irfanview.com/plugins.htm#PlugIns%20updated%20after%20the%20version%204.67:


DISCLOSURE TIMELINE
  • 2024-05-09 - Vulnerability reported to vendor
  • 2024-06-12 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Anonymous
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