ZDI-24-903: IrfanView WSQ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
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 WSQ 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.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-6811.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-24-903?
The severity of ZDI-24-903 is considered critical due to the potential for remote code execution.
How do I fix ZDI-24-903?
To fix ZDI-24-903, ensure that you update IrfanView to the latest version available from the vendor.
What types of attacks can exploit ZDI-24-903?
ZDI-24-903 can be exploited through specially crafted files or malicious webpages that users are tricked into visiting or opening.
Is user interaction required for ZDI-24-903 exploitation?
Yes, user interaction is required to exploit ZDI-24-903 as the target must either visit a malicious page or open a malicious file.
Which software is affected by ZDI-24-903?
ZDI-24-903 affects installations of IrfanView, a popular image viewer.