CVE-2022-35872 Deserialization in Ignition

High 7.8 Published 25 Jul 2022 Updated 3 Aug 2024

Remote attackers can execute arbitrary code with SYSTEM privileges by tricking users into opening malicious ZIP files in Ignition.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-35872?

CVE-2022-35872 is a high-severity unsafe deserialization vulnerability in Inductive Automation Ignition, published on 25 Jul 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Inductive Automation Ignition 8.1.15 (b2022030114). 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 parsing of ZIP files. 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 SYSTEM. Was ZDI-CAN-17115.

Weakness: CWE-502

Which versions are affected by CVE-2022-35872?

It affects 1 product.

Products include Inductiveautomation Ignition.

How do I fix CVE-2022-35872?

No fix has been published for CVE-2022-35872 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2022-35872 being exploited?

There is no known exploitation of CVE-2022-35872 in the wild and no public exploit code.

Sources

Also known as GHSA-7rph-7pwg-4mpv.