CVE-2024-11555: 
IrfanView vulnerability analysis and mitigation

CVE-2024-11555 is a remote code execution vulnerability discovered in IrfanView software. The vulnerability was disclosed on November 21, 2024, affecting IrfanView version 4.67 (both x64 and x86 versions). This security flaw specifically involves the parsing of DXF files and requires user interaction to be exploited (ZDI Advisory).

The vulnerability exists within the parsing of DXF files in IrfanView. The specific issue stems from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer (out-of-bounds write). The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The weakness has been classified as CWE-787 (Out-of-bounds Write) (ZDI Advisory).

If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current process on affected installations of IrfanView. The high CVSS score indicates potential severe impacts on system confidentiality, integrity, and availability (ZDI Advisory).

The vulnerability has been fixed in IrfanView version 4.70 with plugins version 4.70. Users are advised to upgrade to this version to mitigate the risk (ZDI Advisory).