D-Link D-View Use of Hard-coded Cryptographic Key Authentication Bypass Vulnerability

May 24th, 2023
ZDI-23-714 ZDI-CAN-19659

CVE ID

CVE-2023-32169

CVSS Score

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

Affected Vendors

D-Link

Affected Products

D-View

Vulnerability Details

This vulnerability allows remote attackers to bypass authentication on affected installations of D-Link D-View. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the TokenUtils class. The issue results from a hard-coded cryptographic key. An attacker can leverage this vulnerability to bypass authentication on the system.

Additional Details

D-Link has issued an update to correct this vulnerability. More details can be found at:
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10332

Disclosure Timeline

  • 2022-12-23 - Vulnerability reported to vendor
  • 2023-05-24 - Coordinated public release of advisory

Credit

Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative

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