ZDI-21-398: Phoenix Contact Automationworx 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 XML files. When parsing the name attribute of a 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-21-398?
The severity of ZDI-21-398 is critical, as it allows remote attackers to execute arbitrary code.
How do I fix ZDI-21-398?
To fix ZDI-21-398, ensure that you apply the latest security updates provided by Phoenix Contact for Automationworx.
What are the consequences of ZDI-21-398?
Exploitation of ZDI-21-398 can lead to unauthorized access and control over affected installations of Automationworx.
Is user interaction required to exploit ZDI-21-398?
Yes, user interaction is required for ZDI-21-398, as the target must either visit a malicious page or open a malicious file.
What software is affected by ZDI-21-398?
The affected software for ZDI-21-398 is Phoenix Contact Automationworx.
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- agent/softwarecombine
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- source/ZDI
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- alias/ZDI-CAN-12244
- alias/CVE-2020-12497
- agent/software-canonical-lookup
- agent/severity
- agent/references
- agent/title
- agent/event
- agent/tags
- agent/description
- agent/source
- vendor/phoenix contact
- canonical/phoenix contact automationworx