IrfanView CIN File Parser out-of-bounds write

Summaryinfo

A vulnerability classified as critical has been found in IrfanView. The impacted element is an unknown function of the component CIN File Parser. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2024-6821. Remote exploitation of the attack is possible. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in IrfanView (version now known). This affects some unknown processing of the component CIN File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IrfanView CIN 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 CIN 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-23260.

The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2024-6821 since 07/16/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are 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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