IrfanView AWD File Parser out-of-bounds write

Summaryinfo

A vulnerability described as critical has been identified in IrfanView. The affected element is an unknown function of the component AWD File Parser. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2024-6820. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in IrfanView (unknown version). It has been rated as critical. Affected by this issue is an unknown code block of the component AWD File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IrfanView AWD 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 AWD 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. Was ZDI-CAN-23232.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2024-6820 since 07/16/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• Image Processing Software

Name

• IrfanView

License

• free

Website

• Product: https://www.irfanview.com/

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