Maxon Cinema 4D SKP File Parser stack-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in Maxon Cinema 4D. The impacted element is an unknown function of the component SKP File Parser. Performing a manipulation results in stack-based overflow. This vulnerability is identified as CVE-2023-40484. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Maxon Cinema 4D (affected version not known). This affects some unknown functionality of the component SKP File Parser. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Maxon Cinema 4D SKP File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Maxon Cinema 4D. 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 SKP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21432.

The weakness was released 08/25/2023 as ZDI-23-1188. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-40484 since 08/14/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/28/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Maxon

Name

• Cinema 4D

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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