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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5800 Advisory (icsa-22-314-09) Siemens Teamcenter Visualization and JT2Go 11 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Siemens Teamcenter Visualization Siemens JT2Go Publisher: ICS-CERT Operating System: Network Appliance Resolution: Patch/Upgrade CVE Names: CVE-2022-41664 CVE-2022-41663 CVE-2022-41662 CVE-2022-41661 CVE-2022-41660 CVE-2022-39136 Original Bulletin: https://us-cert.cisa.gov/ics/advisories/icsa-22-314-09 Comment: CVSS (Max): 7.8 CVE-2022-39136 (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 - --------------------------BEGIN INCLUDED TEXT-------------------- ICS Advisory (ICSA-22-314-09) Siemens Teamcenter Visualization and JT2Go Original release date: November 10, 2022 Legal Notice All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (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: Teamcenter Visualization and JT2Go o Vulnerabilities: Heap-based Buffer Overflow, Out-of-bounds Write, Out-of-bounds Read, Use After Free, Stack-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code in the context of the current process. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following software from Siemens is affected: o JT2Go: All versions prior to V14.1.0.4 o Teamcenter Visualization V13.3: All versions (only affected by CVE-2022-39136) o Teamcenter Visualization V13.3: All versions prior to V13.3.0.7 o Teamcenter Visualization V14.0: All versions prior to V14.0.0.3 o Teamcenter Visualization V14.1: All versions prior to V14.1.0.4 3.2 VULNERABILITY OVERVIEW 3.2.1 HEAP-BASED BUFFER OVERFLOW CWE-122 The affected application is vulnerable to fixed-length heap-based buffer while parsing specially crafted TIF files. An attacker could leverage this vulnerability to execute code in the context of the current process. CVE-2022-39136 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 ) 3.2.2 OUT-OF-BOUNDS WRITE CWE-787 The affected products contain an out-of-bounds write vulnerability when parsing a CGM file. An attacker could leverage this vulnerability to execute code in the context of the current process. CVE-2022-41660 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 READ CWE-125 The affected products contain an out-of-bounds read vulnerability when parsing a CGM file. An attacker could leverage this vulnerability to execute code in the context of the current process. CVE-2022-41661 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 READ CWE-125 The affected products contain an out-of-bounds read vulnerability when parsing a CGM file. An attacker could leverage this vulnerability to execute code in the context of the current process. CVE-2022-41662 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 USE AFTER FREE CWE-416 The affected applications contain a use-after-free vulnerability that could be triggered while parsing specially crafted CGM files. An attacker could leverage this vulnerability to execute code in the context of the current process. CVE-2022-41663 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 ). 3.2.6 STACK-BASED BUFFER OVERFLOW CWE-121 The affected application contains a stack-based buffer overflow vulnerability potentially triggered while parsing specially crafted PDF files. This could allow an attacker to execute code in the context of the current process. CVE-2022-41664 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 Nafiez and Michael Heinzl reported these vulnerabilities to Siemens. 4. MITIGATIONS Siemens released updates for the following products and recommends updating to the latest versions: o JT2Go: Update to V14.1.0.4 or later version. o Teamcenter Visualization V14.1: Update to V14.1.0.4 or later version. o Teamcenter Visualization V14.0: U pdate to V14.0.0.3 or later version. o Teamcenter Visualization V13.3: Update to V13.3.0.7 or later version. o Teamcenter Visualization V13.3: Currently no fix is available for CVE-2022-39136. Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk: o Do not open untrusted CGM, TIF, or PDF files in JT2Go and Teamcenter Visualization. As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate 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 further inquiries on security vulnerabilities in Siemens products and solutions, users can contact the Siemens ProductCERT . For more information see the associated Siemens security advisory SSA-120378 in HTML and CSAF . CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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 at cisa.gov/ics . Several CISA products detailing cyber defense best 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 at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies . Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY23DJskNZI30y1K9AQgj1g//UyHB6OQ5qMqXgGgxJrZo2gZjouV1uC5N BJm937XmjJgdR+tkLLpnhPRRCmothzCY8kQzZnPsk8o5uNin0HYenOof51a8sIbP nTedsaMtMo48VKNCdRCn4fFMm03yWWk+QiZJ4r6Buu6XBWbQLMNiRLqi7lI+VZBN X+Dm+Zp7c1zysdK7gubkAf67ie398zux8xR7Cbr8O847uOii6yfrq6Uiltex+kht xtOS9D+tmnYNXyGvy5MdZ1zAc1uxwmfOYltj/YSl2P1tNy3iPxQAfF9Ubbfzbi/X Vvd6hii7ZcnaWP1P15quLvBk8BjiLkDT8lv89Uqzofo8XYcqnjdFT9WKJaxtzPeK BTfXnngFJRuQlZZ+G1sM0SIgf8NT6gtv9NHIOD06OPHZOdpx93Mho5sfDuJaAkr8 6g5Coe32UEikrLrEgIHyuz5MJLUA2ijh9hrGrHWX/JEHSfWlIFGqaZdKpYafM6yE pYHaPRIP1/eVAVd//t6eQW551iygxL/MB+qHwV3Uq6H2LVEUdEBbs0F0W0kvv/NM lbZ2v7Tq9/4t4euQKtOIJM+RfqgaJRlzIsiJiAuKlqRkUh8+RgyDzJjBSszdv41r RJC17no3KfnyZuUORrjC5A6Sgq6z5El2PojJIhtq4mDzLlBaoPKduTJaCt7zRaFU 8lbe4/0APL8= =aVGZ -----END PGP SIGNATURE-----