4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
10.5%
Successful exploitation of this vulnerability could cause the device an attacker is accessing to crash, resulting in a structured exception handler overflow condition, which may allow code execution.
The following versions of LAquis SCADA, an industrial automation software, are affected:
A structured exception handler overflow vulnerability has been identified that may allow code execution.
CVE-2018-5463 has been assigned to this vulnerability. A CVSS v3 base score of 7.0 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
Karn Ganeshen reported the vulnerability to NCCIC.
LCDS recommends that users update to version 4.1.0.3774, which can be found at the following location:
<http://laquisscada.com/instale1.php>
NCCIC recommends that 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 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 this vulnerability. This vulnerability is not exploitable remotely. High skill level is needed to exploit.
laquisscada.com/instale1.php
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-5463
cwe.mitre.org/data/definitions/703.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=LCDS%20-%20Le%C3%A3o%20Consultoria%20e%20Desenvolvimento%20de%20Sistemas%20Ltda%20ME%20LAquis%20SCADA+https://www.cisa.gov/news-events/ics-advisories/icsa-18-095-03
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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-18-095-03
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-18-095-03
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=LCDS%20-%20Le%C3%A3o%20Consultoria%20e%20Desenvolvimento%20de%20Sistemas%20Ltda%20ME%20LAquis%20SCADA&body=www.cisa.gov/news-events/ics-advisories/icsa-18-095-03
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
10.5%