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Team FLASHBACK: Pedro Ribeiro ([email protected]|@pedrib1337) and Radek Domanski (@RabbitPro)ZDI-20-728

HistoryJun 22, 2020 - 12:00 a.m.

(Pwn2Own) Rockwell Automation FactoryTalk View SE GetHMIProjectPaths Missing Authentication for Critical Function Information Disclosure Vulnerability

2020-06-2200:00:00

Team FLASHBACK: Pedro Ribeiro ([email protected]|@pedrib1337) and Radek Domanski (@RabbitPro)

www.zerodayinitiative.com

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

0.055 Low

EPSS

Percentile

93.1%

JSON

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Rockwell Automation FactoryTalk View SE. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the GetHMIProjectPaths parameter provided to hmi_isapi.dll. The issue results from a lack of authentication required to query the server. An attacker can leverage this in conjunction with other vulnerability to execute code in the context of SYSTEM.