(0Day) (Pwn2Own) Alpine iLX-507 vCard Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine iLX-507 devices. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device.
The specific flaw exists within the parsing of vCard data. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute arbitrary code in the context of root.
Additional Details
01/29/25 – ZDI reported the vulnerability to the vendor.
01/30/25 – The vendor acknowledged the report.
02/24/25 – The vendor requested additional details.
02/24/25 – ZDI followed up and provided more information about the case.
07/29/25 – ZDI asked for an update and informed the vendor that the case will be published as a zero-day advisory on 08/01/25.
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product.
Disclosure Timeline
- 2025-01-27 - Vulnerability reported to vendor
- 2025-08-01 - Coordinated public release of advisory
- 2025-08-01 - Advisory Updated
Credit
@ExLuck99
