Advisory Published
Advisory Published

ZDI-CAN-23185: ZDI-24-876: (Pwn2Own) Sony XAV-AX5500 USB Configuration Descriptor Buffer Overflow Remote Code Execution Vulnerability

First published: Fri Jun 21 2024(Updated: )

This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Sony XAV-AX5500 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the USB host driver. A crafted USB configuration descriptor can trigger an overflow of a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

Affected SoftwareAffected VersionHow to fix
Sony XAV-AX5500

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Frequently Asked Questions

  • What is the severity of ZDI-CAN-23185?

    The severity of ZDI-CAN-23185 is high due to the potential for arbitrary code execution without requiring authentication.

  • How do I fix ZDI-CAN-23185?

    To fix ZDI-CAN-23185, ensure that your Sony XAV-AX5500 device firmware is updated to the latest version provided by Sony.

  • What type of vulnerability is ZDI-CAN-23185?

    ZDI-CAN-23185 is a vulnerability that allows arbitrary code execution via the USB host driver on affected Sony XAV-AX5500 devices.

  • Who is affected by ZDI-CAN-23185?

    The vulnerability ZDI-CAN-23185 affects all users with Sony XAV-AX5500 devices where the flaw exists in the USB host driver.

  • Is authentication required to exploit ZDI-CAN-23185?

    No, authentication is not required to exploit the vulnerability ZDI-CAN-23185, making it accessible to physically present attackers.

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