Adobe RoboHelp Server OnPublishFile Directory Traversal Remote Code Execution Vulnerability

November 15th, 2023
ZDI-23-1652 ZDI-CAN-21307

CVE ID

CVE-2023-22273

CVSS Score

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

Affected Vendors

Adobe

Affected Products

RoboHelp Server

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe RoboHelp Server. Authentication is required to exploit this vulnerability.

The specific flaw exists within the OnPublishFile method. 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 execute code in the context of the service account.

Additional Details

Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/robohelp-server/apsb23-53.html

Disclosure Timeline

  • 2023-07-11 - Vulnerability reported to vendor
  • 2023-11-15 - Coordinated public release of advisory

Credit

Anonymous

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