ZDI-CAN-23969: ZDI-24-667: IrfanView PNT 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 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.
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-2024-5874.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23969?
The severity of ZDI-CAN-23969 is critical, allowing remote code execution on vulnerable installations.
How do I fix ZDI-CAN-23969?
To mitigate ZDI-CAN-23969, users should update IrfanView to the latest version that addresses this vulnerability.
What types of attacks can exploit ZDI-CAN-23969?
ZDI-CAN-23969 can be exploited through malicious files or webpages that users must interact with.
What software is affected by ZDI-CAN-23969?
ZDI-CAN-23969 affects installations of IrfanView, particularly those prior to the patched versions.
Is user interaction required to exploit ZDI-CAN-23969?
Yes, user interaction is necessary, as the user must visit a malicious webpage or open a compromised file.