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CVE-2023-40482: Maxon Cinema 4D SKP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-787

Description

Maxon Cinema 4D SKP File Parsing Out-Of-Bounds Write 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 user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21430.

Affected products

• Maxon Cinema 4D: 2023.2.1

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-1184/
• https://www.zerodayinitiative.com/advisories/ZDI-23-1184/

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