1. EXECUTIVE SUMMARY
- ATTENTION: Exploitable locally/low skill level to exploit
- Vendor: Siemens
- Equipment: SIMATIC STEP 7 (TIA Portal) and SIMATIC WinCC (TIA Portal)
- Vulnerabilities: Incorrect Default Permissions
Joined: 4/1/2017. Last visit: 7/7/2020. Rating: (4) hello all, regards, i have tia portal v13sp1, istalled on my laptop, just want to know the latest update for tia v13 sp1 and wincc v13 sp1. Tia Portal V13 Sp1. This included updates to Step7 V13 SP1 and WinCC ComfortAdvanced V13 SP1, along with several others. It is important to note that this is only available for HMIs running WinCC ComfortAdvanced V13 SP1 and WinCC Runtime Advanced V13 SP1. Currently, these features are only available for Comfort and Mobile Panels as well as PCs. For TIA Portal V13 SP1 installs that are using both TIA Portal Step7/WinCC and Step 7 Safety (Basic or Advanced), it is essential that the Step 7 Safety package be updated to Update 4 as a minimum. To update Step 7 Safety V13, SP1 to the latest release, use entry id 109477092.
2. UPDATE INFORMATION
This updated advisory is a follow-up to the original advisory titled ICSA-18-226-01 Siemens SIMATIC STEP 7 and SIMATIC WinCC that was published August 14, 2018, on the NCCIC/ICS-CERT website.
3. RISK EVALUATION
Successful exploitation of these vulnerabilities may allow an attacker with local file write access to manipulate files and cause a denial-of-service-condition, or execute code both on the manipulated installation as well as devices configured using the manipulated installation.
4. TECHNICAL DETAILS
4.1 AFFECTED PRODUCTS
Siemens reports these vulnerabilities affect the following SIMATIC STEP 7 products:
- SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) v10, v11, v12: All versions,
- SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) v13: All versions prior to v13 SP2 Update 2,
- SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) v14: All versions < v14 SP1 Update 6, and
- SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) v15: All versions < v15 Update 2.
4.2 VULNERABILITY OVERVIEW
4.2.1 INCORRECT DEFAULT PERMISSIONS CWE-276
Improper file permissions in the default installation of TIA Portal may allow an attacker with local file system access to insert specially crafted files, which may prevent TIA Portal startup (denial-of-service) or lead to local code execution. No special privileges are required, but the victim needs to attempt to start TIA Portal after the manipulation.
CVE-2018-11453 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).
4.2.2 INCORRECT DEFAULT PERMISSIONS CWE-276
Improper file permissions in the default installation of TIA Portal may allow an attacker with local file system access to manipulate resources, which may be transferred to devices and executed there by a different user. No special privileges are required, but the victim needs to transfer the manipulated files to a device. Execution is caused on the target device rather than on the PG device.
CVE-2018-11454 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).
4.3 BACKGROUND
- CRITICAL INFRASTRUCTURE SECTORS: Chemical, Energy, Food and Agriculture, and Water and Wastewater Systems
- COUNTRIES/AREAS DEPLOYED: Worldwide
- COMPANY HEADQUARTERS LOCATION: Germany
4.4 RESEARCHER
Younes Dragoni from Nozomi Networks reported these vulnerabilities to NCCIC.
5. MITIGATIONS
Siemens recommends users of SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) v10, v11, or v12 upgrade to v13 SP2 Update 2 to resolve these vulnerabilities:
Siemens recommends users of SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) v13, v14, or v15 update to the following versions to resolve these vulnerabilities:
- v13 SP2 Update 2
- v14 SP1 Update 6
- v15 Update 2
Siemens has identified the following specific workarounds and mitigations that users can apply to reduce the risk:
- Restrict operating system access to authorized personnel.
- Validate GSD files for legitimacy and process GSD files only from trusted sources.
Siemens strongly recommends users protect network access to devices with appropriate mechanisms. Siemens also advises that users configure the operational environment according to Siemens’ Operational Guidelines for Industrial Security:
For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-979106 at the following location:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. 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-CERT website 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 NCCIC for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
Contact Information
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
For industrial control systems cybersecurity information: https://us-cert.cisa.gov/ics
or incident reporting: https://us-cert.cisa.gov/report
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Of a network interruption. Install android on nokia e66 smartphone. In this case, you must always ensure that the TIA Portal application is closed while data is synchronized. The synchronization itself must be implemented in such a way that the current (local) project data replaces the project data on the network drive. General notes Readme WinCC Comfort/Advanced V13 System Manual, 02. 博途 TIA V13升级包至V13sp1及TIA v13 SP1官方下载地址. • 西门子 Simatic TIA Portal V15.1+. A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10, V11, V12 (All versions), SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V13 (All versions V13 SP2 Update 2), SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V14 (All versions SP1 Update 6), SIMATIC STEP 7 (TIA Portal) and WinCC (TIA. TIA Portal cannot be started because the installed products of the TIA Portal have different versions. Installed products with different versions:-Totally Integrated Automation Portal V13 SP1 Update 5 and STEP 7 Professional V13 SP1 Update 4. Please advice. Siemens Industry Catalog - Automation technology - SIMATIC HMI operator control and monitoring systems - HMI Software - SIMATIC WinCC (TIA Portal) - SIMATIC WinCC (TIA Portal) Runtime - WinCC Runtime Advanced. Portal has an update tool you can run, but that won't get you to WinCC comfort. The Siemens support site usually has trial versions of the software. Not sure if they still have v13 sp1, but v13 sp1 trial installs should be available. The release notes for TIA portal V13 SP1 Update 3 state that: 'When multiplexing symbolic addresses, user data types cannot be used as multiplex tags.' So this method does not work, and that is also documented.
I have a project built with STEP 7 Basic V13. I try to use it with STEP 7 Basic V13 SP1 upgrade. But after the load with TIA, when I want to do the connection, I get the error 'device not reachable'. Sometimes, this error becomes 'incompatible device'. I am not sure what is happening with the configuration.
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julianfperezjulianfperez1 Answer
Please check if the firmware of the selected 1214 CPU matches the one you're using.
Tia Portal V13 Sp1 Update 4th Class
