CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
23.6%
**ATTENTION:**Remotely exploitable/low skill level to exploit.
Vendor: Saia Burgess Controls
Equipment: PCD Controllers
Vulnerability: Information Exposure
This advisory was originally posted to the NCCIC Portal on August 22, 2017, and is being released to the NCCIC/ICS-CERT web site.
Saia Burgess Controls reports that the vulnerability affects the following PCD Controllers:
Successful exploitation of this vulnerability could allow an attacker to obtain information in memory.
Saia Burgess Controls strongly recommends that users update to the latest versions of firmware, Version 1.28.16 or 1.24.69.
The security upgrade section of the Saia Burgess Controls web page links to the latest versions and offers security tips and upgrade information:
Please see the latest update information for this product at the following web site:
<https://www.sbc-support.com/en/product-index/>
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT 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 ICSβCERT Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability.
In certain circumstances, the device pads Ethernet frames with memory contents.
CVE-2017-9628 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Davide Fauri of Eindhoven University of Technology discovered and reported this vulnerability to ICS-CERT.
Critical Infrastructure Sector: Chemical and Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Switzerland
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-9628
cwe.mitre.org/data/definitions/200.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Saia%20Burgess%20Controls%20PCD%20Controllers+https://www.cisa.gov/news-events/ics-advisories/icsa-17-234-05
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-17-234-05&title=Saia%20Burgess%20Controls%20PCD%20Controllers
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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-17-234-05
www.oig.dhs.gov/
www.sbc-support.com/en/product-category/communication-protocols/pcd-on-internet/upgrade-it-security/
www.sbc-support.com/en/product-index/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-17-234-05
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Saia%20Burgess%20Controls%20PCD%20Controllers&body=www.cisa.gov/news-events/ics-advisories/icsa-17-234-05
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
23.6%