ZDI-21-076: Siemens Solid Edge Viewer PAR File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Solid Edge Viewer. 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 PAR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-076?
ZDI-21-076 is classified as a high-severity vulnerability due to its potential for remote code execution.
How do I fix ZDI-21-076?
To mitigate ZDI-21-076, users should update to the latest version of Siemens Solid Edge Viewer or implement workarounds as recommended by Siemens.
What impact does ZDI-21-076 have on affected systems?
ZDI-21-076 allows remote attackers to execute arbitrary code, which can lead to system compromise.
What is required to exploit ZDI-21-076?
Exploitation of ZDI-21-076 requires user interaction, such as visiting a malicious webpage or opening a malicious file.
Are there any affected versions for ZDI-21-076?
ZDI-21-076 affects specific installations of Siemens Solid Edge Viewer prior to the security update.