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AUSCERT External Security Bulletin Redistribution
ESB-2022.4613
Advisory (icsa-22-258-02) Siemens Simcenter Femap and Parasolid
16 September 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Siemens Simcenter Femap and Parasolid
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2022-39156 CVE-2022-39155 CVE-2022-39154
CVE-2022-39153 CVE-2022-39152 CVE-2022-39151
CVE-2022-39150 CVE-2022-39149 CVE-2022-39148
CVE-2022-39147 CVE-2022-39146 CVE-2022-39145
CVE-2022-39144 CVE-2022-39143 CVE-2022-39142
CVE-2022-39141 CVE-2022-39140 CVE-2022-39139
CVE-2022-39138 CVE-2022-39137
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-258-02
Comment: CVSS (Max): 7.8 CVE-2022-39156 (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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ICS Advisory (ICSA-22-258-02)
Siemens Simcenter Femap and Parasolid
Original release date: September 15, 2022
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided
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(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For more
information about TLP, see https://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 7.8
o ATTENTION: Low attack complexity
o Vendor: Siemens
o Equipment: Simcenter Femap and Parasolid
o Vulnerabilities: Multiple File Parsing Vulnerabilities
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could result in remote code
execution in the compromised process.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Siemens reports these vulnerabilities as affecting the following products:
o Parasolid, a 3D geometric modeling tool
Version V33.1
All versions prior to V33.1.262
Versions V33.1.262 up to V33.1.263; only affected by
CVE-2022-39156, CVE-2022- 39155, CVE-2022-39154, CVE-2022-39153,
CVE-2022-39152, CVE-2022-39151, CVE-2022- 39150, CVE-2022-39149,
CVE-2022-39148, CVE-2022-39147, CVE-2022-39146, CVE-2022- 39145,
CVE-2022-39144, CVE-2022-39143, CVE-2022-39142
Version V34.0
All versions prior to V34.0.252
Version V34.1
All versions prior to V34.1.242
Version V35.0
All versions prior to V35.0.161
Versions V35.0.161 up to V35.0.164; only affected by
CVE-2022-39156, CVE-2022- 39155, CVE-2022-39154, CVE-2022-39153,
CVE-2022-39152, CVE-2022-39151, CVE-2022- 39150, CVE-2022-39149,
CVE-2022-39148, CVE-2022-39147, CVE-2022-39146, CVE-2022- 39145,
CVE-2022-39144, CVE-2022-39143, CVE-2022-39142
o Simcenter Femap, a modeling and simulation software
V2022.1
All versions prior to V2022.1.3
V2022.2
All versions prior to V2022.2.2
3.2 VULNERABILITY OVERVIEW
3.2.1 OUT-OF-BOUNDS READ CWE-125
The affected application is vulnerable to out-of-bounds read past the end of an
allocated buffer when parsing X_T files. An attacker could leverage this
vulnerability to leak information in the context of the current process.
CVE-2022-39137 has been assigned to this vulnerability. A CVSS v3 base score of
3.3 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:L/I:N/A:N ).
3.2.2 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39138 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.3 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39139 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.4 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39140 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.5 OUT-OF-BOUNDS READ CWE-125
The affected application contains an out-of-bounds read past the end of an
allocated buffer while parsing X_T files. An attacker could leverage this
vulnerability to leak information in the context of the current process.
CVE-2022-39141 has been assigned to this vulnerability. A CVSS v3 base score of
3.3 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:L/I:N/A:N ).
3.2.6 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39142 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.7 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39143 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.8 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39144 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.9 OUT-OF-BOUNDS READ CWE-125
The affected application is vulnerable to out-of-bounds read past the end of an
allocated buffer when parsing X_T files. This could allow an attacker to
execute code in the context of the current process.
CVE-2022-39145 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.10 ACCESS OF UNINITIALIZED POINTER CWE-824
The affected application is vulnerable to uninitialized pointer access while
parsing specially crafted X_T files. An attacker could leverage this
vulnerability to execute code in the context of the current process.
CVE-2022-39146 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.11 ACCESS OF UNINITIALIZED POINTER CWE-824
The affected application is vulnerable to uninitialized pointer access while
parsing specially crafted X_T files. An attacker could leverage this
vulnerability to execute code in the context of the current process.
CVE-2022-39147 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.12 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39148 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.13 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39149 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.14 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39150 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.15 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39151 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.16 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39152 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.17 OUT-OF-BOUNDS READ CWE-125
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39153 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H
/I:H/A:H).
3.2.18 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39154 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.19 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39155 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.20 OUT-OF-BOUNDS READ CWE-125
The affected application contains an out-of-bounds write past the end of an
allocated buffer while parsing specially crafted X_T files. This could allow an
attacker to execute code in the context of the current process.
CVE-2022-39156 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H
/I:H/A:H).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Germany
3.4 RESEARCHER
Trend Micro Zero Day Initiative reported these vulnerabilities to Siemens and
CISA.
4. MITIGATIONS
Siemens recommends users update their products to the latest versions:
o Parasolid 3D geometric modeling tool
Version V33.1
Update to Version V33.1.263 or later
Version V34.0
Update to Version V34.0.252 or later
Version V34.1
Update to Version V34.1.242 or later
Version V35.0
Update to Version V35.0.164 or later
o Simcenter Femap, a modeling and simulation software
V2022.1
Update to Version V2022.1.3 or later
V2022.2
Update to Version V2022.2.2 or later
Siemens also reminds users not to open untrusted X_T files in Simcenter Femap
or Parasolid.
As a general security measure, Siemens recommends protecting network access to
devices with appropriate mechanisms. To operate the devices in a protected IT
environment, Siemens recommends configuring the environment according to
Siemens' operational guidelines for industrial security and following
recommendations in the product manuals.
Additional information on industrial security by Siemens can be found on the
Siemens industrial security webpage .
For more information see the associated Siemens Security Advisory in HTML or
CSAF formats.
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on cisa.gov . Several recommended practices are available
for reading and download, including Improving Industrial Control Systems
Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on cisa.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves
from social engineering attacks:
o Do not click web links or open attachments in unsolicited email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
No known public exploits specifically target these vulnerabilities. These
vulnerabilities are not exploitable remotely.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
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