D-Link D-View uploadMib Directory Traversal Arbitrary File Creation or Deletion Vulnerability

May 24th, 2023
ZDI-23-718 ZDI-CAN-19529

CVE ID

CVE-2023-32167

CVSS Score

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

Affected Vendors

D-Link

Affected Products

D-View

Vulnerability Details

This vulnerability allows remote attackers to create and delete arbitrary files on affected installations of D-Link D-View. Authentication is required to exploit this vulnerability.

The specific flaw exists within the uploadMib function. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create or delete files in the context of 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

Andrea Micalizzi aka rgod

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