CVE-2024-11521

IrfanView DJVU File Parsing Use-After-Free Remote Code Execution Vulnerability

CVE ID CVE-2024-11521

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 DJVU files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in IrfanView version 4.70 with plugins version 4.70

DISCLOSURE TIMELINE

2024-06-26 - Vulnerability reported to vendor

2024-11-21 - Coordinated public release of advisory

2024-11-21 - Advisory Updated

CREDIT Rocco Calvi (@TecR0c) with TecSecurity