Siemens Teamcenter Visualization and JT2Go

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).

1. EXECUTIVE SUMMARY

• CVSS v3 7.8 *ATTENTION: Low attack complexity
• Vendor: Siemens
• Equipment: Teamcenter Visualization and JT2Go
• Vulnerabilities: NULL Pointer Dereference, Out-of-bounds Write, Out-of-bounds Read, Use After Free, Divide by Zero, Allocation of Resources Without Limits or Throttling.

2. RISK EVALUATION

Successful exploitation of these vulnerabilities by tricking a user into opening a malicious file with the affected products could lead the application to crash or lead to arbitrary code execution.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Siemens reports these vulnerabilities affect the following visualization and product lifecycle management tools:

• JT2Go: all versions
• Teamcenter Visualization V13.2: versions prior to V13.2.0.12
• Teamcenter Visualization V13.3: versions prior to V13.3.0.8
• Teamcenter Visualization V13.3: versions since and including V13.3.0.8 (CVE-2022-45484 only)
• Teamcenter Visualization V14.0: versions prior to V14.0.0.4
• Teamcenter Visualization V14.0: versions since and including V14.0.0.4 (CVE-2022-45484 only)
• Teamcenter Visualization V14.1: versions prior to V14.1.0.6

3.2 VULNERABILITY OVERVIEW

3.2.1 NULL POINTER DEREFERENCE CWE-476

The CGM_NIST_Loader.dll contains a null pointer dereference vulnerability while parsing specially crafted CGM files. An attacker could leverage this vulnerability to crash the application, causing denial of service condition.

CVE-2022-41278 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).

3.2.2 NULL POINTER DEREFERENCE CWE-476

The CGM_NIST_Loader.dll contains a null pointer dereference vulnerability while parsing specially crafted CGM files. An attacker could leverage this vulnerability to crash the application, causing denial of service condition.

CVE-2022-41279 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).

3.2.3 NULL POINTER DEREFERENCE CWE-476

The CGM_NIST_Loader.dll contains a null pointer dereference vulnerability while parsing specially crafted CGM files. An attacker could leverage this vulnerability to crash the application, causing denial of service condition.

CVE-2022-41280 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).

3.2.4 OUT-OF-BOUNDS WRITE CWE-787

The CGM_NIST_Loader.dll contains 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-2022-41283 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/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 CGM_NIST_Loader.dll contains an out of bounds read vulnerability when parsing a CGM file. An attacker can leverage this vulnerability to execute code in the context of the current process.

CVE-2022-41281 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

3.2.6 OUT-OF-BOUNDS READ CWE-125

The CGM_NIST_Loader.dll contains 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-2022-41282 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

3.2.7 OUT-OF-BOUNDS READ CWE-125

The CGM_NIST_Loader.dll contains 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-2022-41284 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

3.2.8 OUT-OF-BOUNDS READ CWE-125

The CGM_NIST_Loader.dll contains 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-2022-41286 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/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 CCITT_G4Decode.dll contains an out of bounds read vulnerability when parsing a RAS file. An attacker could leverage this vulnerability to execute code in the context of the current process.

CVE-2022-45484 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).

3.2.10 USE AFTER FREE CWE-416

The CGM_NIST_Loader.dll contains 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-2022-41285 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

3.2.11 DIVIDE BY ZERO CWE-369

The CGM_NIST_Loader.dll contains a divide by zero vulnerability when parsing a CGM file. An attacker could leverage this vulnerability to crash the application, causing denial of service condition.

CVE-2022-41287 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).

3.2.12 ALLOCATION OF RESOURCES WITHOUT LIMITS OR THROTTLING CWE-770

The CGM_NIST_Loader.dll contains stack exhaustion vulnerability when parsing a CGM file. An attacker could leverage this vulnerability to crash the application, causing denial of service condition.

CVE-2022-41288 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).

3.3 BACKGROUND

• CRITICAL INFRASTRUCTURE SECTORS: Multiple Sectors
• COUNTRIES/AREAS DEPLOYED: Worldwide
• COMPANY HEADQUARTERS LOCATION: Germany

3.4 RESEARCHER

Jin Huang from ADLab of Venustech and Mat Powell working with Trend Micro Zero Day Initiative reported these vulnerabilities to Siemens.

4. MITIGATIONS

Siemens released updates for several affected products and recommends updating to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or are not yet, available.

• Teamcenter Visualization V13.2: Update to V13.2.0.12 or later version.
• Teamcenter Visualization V13.3: Update to V13.3.0.8 or later version.
• Teamcenter Visualization V14.0: Update to V14.0.0.4 or later version.
• Teamcenter Visualization V14.1: Update to V14.1.0.6 or later version.

Siemens identified the following specific workaround and mitigation users can apply to reduce risk:

• Do not open untrusted CGM or RAS files in JT2Go and Teamcenter Visualization.

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 the recommendations in the product manuals. Please see additional information on industrial security by Siemens.

For further inquiries on security vulnerabilities in Siemens products, users should contact Siemens ProductCERT.

For more information, see the associated Siemens security advisory SSA-700053 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.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

• Do not click web links or open attachments in unsolicited email messages.
• Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.
• 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.