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AUSCERT External Security Bulletin Redistribution
ESB-2022.6117
Advisory (icsa-22-326-04) GE CIMPLICITY
23 November 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: GE CIMPLICITY
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2022-3092 CVE-2022-3084 CVE-2022-2952
CVE-2022-2948 CVE-2022-2002
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-326-04
Comment: CVSS (Max): 7.8 CVE-2022-3092 (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-22-326-04)
GE CIMPLICITY
Original release date: November 22, 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: GE
o Equipment: CIMPLICITY
o Vulnerabilities: Access of Uninitialized Pointer, Heap-based Buffer
Overflow, Untrusted Pointer Dereference, Out-of-bounds Write
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could crash the device being
accessed or allow arbitrary code execution.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of CIMPLICITY, an HMI/SCADA software, are affected:
o CIMPLICITY: Versions 2022 and prior
3.2 VULNERABILITY OVERVIEW
3.2.1 ACCESS OF UNINITIALIZED POINTER CWE-824
The affected product is vulnerable when data from a faulting address controls
code flow starting at gmmiObj!CGmmiRootOptionTable, which could allow an
attacker to execute arbitrary code.
CVE-2022-3084 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 ACCESS OF UNINITIALIZED POINTER CWE-824
The affected product is vulnerable when data from a faulting address controls
code flow starting at gmmiObj!CGmmiOptionContainer, which could allow an
attacker to execute arbitrary code.
CVE-2022-2952 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 HEAP-BASED BUFFER OVERFLOW CWE-122
The affected product is vulnerable to a heap-based buffer overflow, which could
allow an attacker to execute arbitrary code.
CVE-2022-2948 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 UNTRUSTED POINTER DEREFERENCE CWE-822
The affected product is vulnerable when data from faulting address controls
code flow starting at gmmiObj!CGmmiOptionContainer, which could allow an
attacker to execute arbitrary code.
CVE-2022-2002 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 WRITE CWE-787
The affected product is vulnerable to an out-of-bounds write, which could allow
an attacker to execute arbitrary code.
CVE-2022-3092 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: Multiple
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: United States
3.4 RESEARCHER
Kimiya working with Trend micro Zero Day Initiative reported these
vulnerabilities to CISA.
4. MITIGATIONS
GE recommends users refer to the CIMPLICITY Secure Deployment Guide (login
required) for mitigations to the reported vulnerabilities. Specific sections to
reference include Section 3.5 Projects and Section 4.2 CimView.
For more information about this issue, see the GE Digital Product Security
Advisory (login required).
For further questions, users should contact GE .
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures. 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.
Refer to Avoiding Social Engineering and Phishing Attacks for more information
on social engineering attacks.
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
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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