Advisory Details

July 26th, 2024

IrfanView PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-24-968
ZDI-CAN-23214

CVE ID CVE-2024-6816
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 PSP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed with formats plugin: https://www.irfanview.net/plugins/formats_64.zip


DISCLOSURE TIMELINE
  • 2024-02-13 - Vulnerability reported to vendor
  • 2024-07-26 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT Anonymous
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