Advisory Details

September 16th, 2022

Siemens Simcenter Femap X_T File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-22-1243
ZDI-CAN-17735

CVE ID CVE-2022-39150
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 Simcenter Femap
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Simcenter Femap. 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 X_T 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 data structure. 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-518824.html
DISCLOSURE TIMELINE
  • 2022-07-26 - Vulnerability reported to vendor
  • 2022-09-16 - Coordinated public release of advisory
CREDIT Anonymous
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