Advisory Details

June 10th, 2024

Siemens Tecnomatix Plant Simulation MODEL File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-24-594
ZDI-CAN-22974

CVE ID CVE-2024-32639
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Siemens
AFFECTED PRODUCTS Tecnomatix Plant Simulation
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Tecnomatix Plant Simulation. 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 MODEL files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS Siemens has issued an update to correct this vulnerability. More details can be found at:
https://cert-portal.siemens.com/productcert/html/ssa-923361.html
DISCLOSURE TIMELINE
  • 2024-01-17 - Vulnerability reported to vendor
  • 2024-06-10 - Coordinated public release of advisory
CREDIT Anonymous
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