OPC Labs QuickOPC Connectivity Explorer Deserialization of Untrusted Data Remote Code Execution Vulnerability

July 28th, 2022
ZDI-22-1031 ZDI-CAN-16596

CVE ID

CVE-2022-2561

CVSS Score

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

Affected Vendors

OPC Labs

Affected Products

QuickOPC

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of XML files in Connectivity Explorer. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

OPC Labs has issued an update to correct this vulnerability. More details can be found at:
https://kb.opclabs.com/ZDI-CAN-16596_Connectivity_Explorer_file_vulnerability

Disclosure Timeline

  • 2022-05-10 - Vulnerability reported to vendor
  • 2022-07-28 - Coordinated public release of advisory

Credit

Steven Seeley (mr_me) of Source Incite

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