Advisory Details

September 16th, 2022

Siemens Simcenter Femap X_T File Parsing Uninitialized Pointer Remote Code Execution Vulnerability

ZDI-22-1239
ZDI-CAN-17502

CVE ID CVE-2022-39146
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 initialization of a pointer prior to accessing it. 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
  • 2022-06-06 - Vulnerability reported to vendor
  • 2022-09-16 - Coordinated public release of advisory
CREDIT Anonymous
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