Softing Secure Integration Server URI NULL Pointer Dereference Denial-of-Service Vulnerability

August 23rd, 2022
ZDI-22-1157 ZDI-CAN-17057

CVE ID

CVE-2022-2337

CVSS Score

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

Affected Vendors

Softing

Affected Products

Secure Integration Server

Vulnerability Details

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing Secure Integration Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of the URI HTTP header. The issue results from dereferencing a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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-2022-4.html

Disclosure Timeline

  • 2022-04-15 - 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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