SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-827167548] Siemens Building Technologies Products (Update A)

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2018-04-03OtherSiemensSergey Temnikov and Vladimir Dashchenko from Kaspersky Labs reported these vulnerabilities to Siemens.N/ACVE-2017-1149 CVE-2017-1149 CVE-2017-1281 CVE-2017-1282 CVE-2017N/AN/AN/A

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# Siemens Building Technologies Products (Update A)
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### VULNERABLE VENDOR
Siemens


### VULNERABLE PRODUCT
Building Technologies Products 


### RESEARCHER
Sergey Temnikov and Vladimir Dashchenko from Kaspersky Labs reported these vulnerabilities to Siemens.


### AFFECTED PRODUCTS
Siemens License Management System (LMS), which includes a vulnerable version of Gemalto Sentinel LDK RTE, is used by the following Siemens products and solutions:

License Management System (LMS) All versions prior to V2.1 SP3(2.1.670)
Annual Shading V1.0.4 and 1.1
Desigo ABT Versions
MP1.1 Build 845
MP1.15 Build 360
MP1.16 Build 055
MP1.2 Build 850
MP1.2.1 Build 318
MP2.1 Build 965
Desigo CC Versions
MP1.1
MP2.0
MP2.1
MP3.0
Desigo Configuration Manager (DCM) V6.10.140
Desigo XWP
V5.00.204
V5.00.260
V5.10.142
V5.10.212
V6.00.184
V6.00.342
V6.10.172
SiteIQ Analytics
V1.1
V1.2
V1.3
Siveillance Identity V1.1
4.2 VULNERABILITY OVERVIEW
4.2.1     STACK-BASED BUFFER OVERFLOW CWE-121
Malformed ASN1 streams in V2C and similar input files can be used to generate stack-based buffer overflows. The vulnerability could allow arbitrary code execution


### IMPACT



### VULNERABILITY OVERVIEW
4.2.1     STACK-BASED BUFFER OVERFLOW CWE-121
Malformed ASN1 streams in V2C and similar input files can be used to generate stack-based buffer overflows.
The vulnerability could allow arbitrary code execution.
CVE-2017-11496 has been assigned to this vulnerability.
A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)


4.2.2     STACK-BASED BUFFER OVERFLOW CWE-121
Language packs containing malformed filenames could lead to a stack-based buffer overflow.
The vulnerability could allow arbitrary code execution.
CVE-2017-11497 has been assigned to this vulnerability.
A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)


4.2.3     SECURITY FEATURES CWE-254
Remote manipulation of the language pack updater could allow NTLM-relay attacks.
CVE-2017-12819 has been assigned to this vulnerability.
A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)


4.2.4     IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER CWE-119
A memory corruption flaw could allow remote code execution.
CVE-2017-12821 has been assigned to this vulnerability.
A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)


4.2.5     NULL POINTER DEREFERENCE CWE-476
Zipped language packs with invalid HTML files could lead to NULL pointer access.
The vulnerability could cause denial of service of the remote process.
CVE-2017-11498 has been assigned to this vulnerability.
A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)


4.2.6     IMPROPER RESTRICTION OF RECURSIVE ENTITY REFERENCES IN DTDS ('XML ENTITY EXPANSION') CWE-776
A stack overflow flaw in the custom XML-parser could allow remote denial of service.
CVE-2017-12818 has been assigned to this vulnerability.
A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)


4.2.7     HEAP-BASED BUFFER OVERFLOW CWE-122
Arbitrary memory read from controlled memory pointer could allow remote denial of service.
CVE-2017-12820 has been assigned to this vulnerability.
A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)


4.2.8     IMPROPER ACCESS CONTROL CWE-284
The administrative interface can be remotely enabled and disabled without authentication.
This could increase the attack surface.
CVE-2017-12822 has been assigned to this vulnerability.
A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)


4.3 


### BACKGROUND
Critical Infrastructure Sectors: Commercial Facilities
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany
4.4 RESEARCHER
Sergey Temnikov and Vladimir Dashchenko from Kaspersky Labs reported these vulnerabilities to Siemens.
5. MITIGATIONS
--------- Begin Update A Part 1 of 1 --------
Siemens recommends that users upgrade License Management System (LMS) to version 2.1 SP4 (2.1.681) or newer. To do so, users should follow the instructions at https://support.industry.siemens.com/cs/document/109479834
(link is external)
or contact the local Siemens representative or Siemens customer support.
--------- End Update A Part 1 of 1 --------
NOTE: Users using Desigo CC MP2.1 or older need to upgrade ALM Manager before applying the update to LMS.
Siemens has released the following advisory:
https://cert-portal.siemens.com/productcert/pdf/ssa-727467.pdf
(link is external)
NCCIC recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.
Locate control system networks and remote devices behind firewalls, and isolate them from the business network.
When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices.
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 in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT website.
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.




### MITIGATION

--------- Begin Update A Part 1 of 1 --------
Siemens recommends that users upgrade License Management System (LMS) to version 2.1 SP4 (2.1.681) or newer. To do so, users should follow the instructions at https://support.industry.siemens.com/cs/document/109479834


or contact the local Siemens representative or Siemens customer support.

--------- End Update A Part 1 of 1 --------
NOTE: Users using Desigo CC MP2.1 or older need to upgrade ALM Manager before applying the update to LMS.

Siemens has released the following advisory:

https://cert-portal.siemens.com/productcert/pdf/ssa-727467.pdf