CVE-2023-38123: ignition Missing Auth — Fix

Description

Inductive Automation Ignition OPC UA Quick Client Missing Authentication for Critical Function Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Inductive Automation Ignition. 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 server configuration. The issue results from the lack of authentication prior to allowing access to password change functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20540.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
inductiveautomation	ignition	< 8.1.26

References

Advisories & Patches

https://inductiveautomation.com/blog/inductive-automation-participates-in-pwn2own-to-strengthen-ignition-security https://inductiveautomation.com/blog/inductive-automation-participates-in-pwn2own-to-strengthen-ignition-security

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-1014/ https://www.zerodayinitiative.com/advisories/ZDI-23-1014/

Frequently Asked Questions

What is CVE-2023-38123? +

Inductive Automation Ignition OPC UA Quick Client Missing Authentication for Critical Function Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Inductive Automation Ignition. 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 server configuration. The issue results from the lack of authentication prior to allowing access to password change functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20540. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-38123? +

CVE-2023-38123 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-38123? +

CVE-2023-38123 affects products from inductiveautomation, specifically: ignition. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-38123? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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