ICSA-23-166-02
Vulnerability from csaf_cisa - Published: 2023-06-15 06:00 - Updated: 2023-06-15 06:00Summary
Advantech WebAccess/SCADA
Notes
CISA Disclaimer: This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
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/.
Risk evaluation: Successful exploitation of this vulnerability could lead to an attacker gaining remote file system access and the achieving remote command execution.
Critical infrastructure sectors: Critical Manufacturing, Chemical, Energy, Water and Wastewater
Countries/areas deployed: Worldwide
Company headquarters location: Taiwan
Recommended Practices: CISA recommends users take defensive measures to minimize the exploitation risk of this (these) vulnerability(ies), such as:
Recommended Practices: Minimizing network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
Recommended Practices: Locating control system networks and remote devices behind firewalls and isolating them from business networks.
Recommended Practices: When remote access is required, using more secure methods, such as Virtual Private Networks (VPNs). Recognize VPNs may have vulnerabilities, should be updated to the most recent version available, and are only as secure as the connected devices.
Recommended Practices: CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices: CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. 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.
Recommended Practices: CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Recommended Practices: Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
Recommended Practices: No known public exploits specifically target this vulnerability.
9.8 (Critical)
Vendor Fix
Advantech recommends all affected users update their products to the latest patch. This vulnerability was fixed in Version 9.1.4.
https://www.advantech.com/en/support/details/inst…
References
Acknowledgments
Florent Suadel
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"title": "Advantech WebAccess/SCADA",
"tracking": {
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"name": "\u003c 9.1.4",
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"vulnerabilities": [
{
"cve": "CVE-2023-1437",
"cwe": {
"id": "CWE-822",
"name": "Untrusted Pointer Dereference"
},
"notes": [
{
"category": "summary",
"text": "All versions prior to 9.1.4 of Advantech WebAccess/SCADA are vulnerable to using untrusted pointers. The RPC arguments sent by the client can contain raw memory pointers that will be used as is by the server. This can lead to an attacker gaining access to the remote file system and the ability to execute commands and overwrite files.",
"title": "Vulnerability Summary"
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"product_ids": [
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"url": "https://www.advantech.com/en/support/details/installation?id=1-MS9MJV"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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