PT-2023-26963 · Inductive Automation · Inductive Automation Ignition

Noam Moshe + 3 · Published 2023-08-08 · Updated 2024-05-05 · CVE-2023-39477

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Inductive Automation Ignition (affected versions not specified)

Description This issue allows remote attackers to create a denial-of-service condition on affected installations of Inductive Automation Ignition. Authentication is not required to exploit this issue. The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server, leveraging this to create a denial-of-service condition on the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-39477

ZDI-23-1050

Affected Products

Inductive Automation Ignition

References · 6

• https://zerodayinitiative.com/advisories/ZDI-23-1050 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-39477 · Security Note
• https://osv.dev/vulnerability/CVE-2023-39477 · Vendor Advisory
• https://inductiveautomation.com/downloads/releasenotes/8.1.33 · Vendor Advisory
• https://twitter.com/CVEnew/status/1787139520908890538 · Twitter Post
• https://twitter.com/TheZDIBugs/status/1688970418600742926 · Twitter Post