(Pwn2Own) Softing Secure Integration Server Use of Default Credentials Authentication Bypass Vulnerability

August 23rd, 2022
ZDI-22-1161 ZDI-CAN-17056

CVE ID

CVE-2022-2336

CVSS Score

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

Affected Vendors

Softing

Affected Products

Secure Integration Server

Vulnerability Details

This vulnerability allows remote attackers to bypass authentication on affected installations of Softing Secure Integration Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the default configuration of user accounts. The configuration contains hard-coded credentials. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of the Administrator.

Additional Details

Softing has issued an update to correct this vulnerability. More details can be found at:
https://industrial.softing.com/fileadmin/psirt/downloads/syt-2022-6.html

Disclosure Timeline

  • 2022-05-09 - Vulnerability reported to vendor
  • 2022-08-23 - Coordinated public release of advisory

Credit

Flashback Team: Pedro Ribeiro (@pedrib1337) && Radek Domanski (@RabbitPro)

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