SRC-2022-0013 : Inductive Automation Ignition GatewaySessionManagerImpl Authentication Bypass Vulnerability
CVE ID: CVE-2022-35890
CVSS Score: 8.1, (/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Vendors: Inductive
Affected Products: Inductive Automation Ignition
Vulnerability Details: This vulnerability allows remote attackers to bypass authentication on affected installations of Inductive Automation Ignition. Authentication is not required to exploit this vulnerability. The specific flaw exists within GatewaySessionManagerImpl class.
The issue results from the use of a fixed seed for session id generation when using the SecureRandom API. An attacker can leverage this vulnerability to predict an authenticated session and access the gateway.
Inductive has issued an update to correct this vulnerability. More details can be found at: https://support.inductiveautomation.com/hc/en-us/articles/7625759776653
2022-04-22 – Sent to Inductive PSIRT
2022-05-12 – Coordinated public release of advisory
Proof of Concept: https://github.com/sourceincite/randy
Credit: This vulnerability was discovered by Chris Anastasio (muffin) and Steven Seeley (mr_me) of Incite Team