(Pwn2Own) Ubiquiti Networks EV Station changeUserPassword Missing Authentication Remote Code Execution Vulnerability

June 21st, 2024
ZDI-24-879 ZDI-CAN-23186

CVE ID

CVE-2024-29208

CVSS Score

8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Ubiquiti Networks

Affected Products

EV Station

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Ubiquiti Networks EV Station. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the password change functionality. The issue results from the lack of proper validation of the old password before setting a new password. An attacker can leverage this vulnerability to execute code in the context of the device.

Additional Details

Ubiquiti Networks has issued an update to correct this vulnerability. More details can be found at:
https://community.ui.com/releases/Security-Advisory-bulletin-039-039/44e24007-2c2c-4ac0-bebf-3f19b9b24f09

Disclosure Timeline

  • 2024-02-02 - Vulnerability reported to vendor
  • 2024-06-21 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated

Credit

Synacktiv (@Synacktiv)

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