Alpine iLX-507 6.0.000 Apple CarPlay Protocol stack-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in Alpine iLX-507 6.0.000. This impacts an unknown function of the component Apple CarPlay Protocol. Performing a manipulation results in stack-based overflow. This vulnerability is known as CVE-2025-8474. The attack may be carried out on the physical device. No exploit is available.

Detailsinfo

A vulnerability was found in Alpine iLX-507 6.0.000. It has been classified as critical. This affects an unknown code of the component Apple CarPlay Protocol. 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:

Alpine iLX-507 CarPlay Stack-based Buffer Overflow Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine iLX-507 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the Apple CarPlay protocol. 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 root. Was ZDI-CAN-26318.

The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2025-8474 since 08/01/2025. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. 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 08/05/2025).

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

• Alpine

Name

• iLX-507

Version

• 6.0.000

CPE 2.3info

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CPE 2.2info

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