ZDI-20-825: Phoenix Contact Automationworx PLCOpen XML File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Phoenix Contact Automationworx. 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 PLCOpen XML files. When parsing the pou element, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Phoenix Contact Automationworx |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-825?
The severity of ZDI-20-825 is critical due to its potential for remote code execution.
How do I fix ZDI-20-825?
To fix ZDI-20-825, install the latest security updates provided by Phoenix Contact for Automationworx.
What systems are affected by ZDI-20-825?
ZDI-20-825 affects installations of Phoenix Contact Automationworx.
What type of attack can be executed through ZDI-20-825?
ZDI-20-825 allows remote attackers to execute arbitrary code on affected systems.
Is user interaction needed to exploit ZDI-20-825?
Yes, user interaction is required for ZDI-20-825, as the target must visit a malicious page or open a malicious file.
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- alias/CVE-2020-12497
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- canonical/phoenix contact automationworx