7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
79.9%
CVSS v3 8.6
ATTENTION: Remotely exploitable/Low skill level to exploit
**Vendor:**Yokogawa
**Equipment:**iDefine, STARDOM, ASTPLANNER, and TriFellows
Vulnerability: Stack-based Buffer Overflow
Successful exploitation of this vulnerability may allow arbitrary code execution, or the stopping of the license management function.
According to Yokogawa the following products are affected:
3.2.1 STACK-BASED BUFFER OVERFLOW CWE-121
This vulnerability that affects the license management function when it receives specially crafted data. An attacker could overflow the buffer by exploiting this, which may result in the license management function stopping or result in arbitrary code execution.
CVE-2018-0651 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H).
Yokogawa worked with JPCERT to report this vulnerability to NCCIC.
Yokogawa recommends users to update to the latest versions or apply the patch:
ASTPLANNER: Update to R15.02.01 or contact support for the patch,
When Yokogawa service personnel perform system upgrade or install patches, those charges are borne by the user. Please contact support in the following section for the countermeasures regarding the affected products. Yokogawa strongly suggests all users to introduce appropriate security measures not only for the vulnerability identified, but also to the overall systems.
Refer to Yokogawa’s security notification YSAR-18-0006 for more information, which can be located here:
<https://www.yokogawa.com/library/resources/white-papers/yokogawa-security-advisory-report-list/>
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
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 this vulnerability.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-0651
contact.yokogawa.com/cs/gw?c-id=000497
contact.yokogawa.com/cs/gw?c-id=000498
cwe.mitre.org/data/definitions/121.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Yokogawa%20iDefine%2C%20STARDOM%2C%20ASTPLANNER%2C%20and%20TriFellows+https://www.cisa.gov/news-events/ics-advisories/icsa-18-233-01
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-18-233-01&title=Yokogawa%20iDefine%2C%20STARDOM%2C%20ASTPLANNER%2C%20and%20TriFellows
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-18-233-01
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-18-233-01
www.usa.gov/
www.whitehouse.gov/
www.yokogawa.com/library/resources/white-papers/yokogawa-security-advisory-report-list/
www.youtube.com/@cisagov
mailto:?subject=Yokogawa%20iDefine%2C%20STARDOM%2C%20ASTPLANNER%2C%20and%20TriFellows&body=www.cisa.gov/news-events/ics-advisories/icsa-18-233-01
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
79.9%