Summary
Hitachi Energy is aware of vulnerabilities that affect ITT600 Explorer product versions listed in this document. These vulnerabilities can be exploited to carry out Denial of Service (DoS) attack on the product. The vulnerabilities only affect Hitachi Energy Integrated Testing Tool ITT600 SA Explorer without affecting IEC 61850 system endpoints. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.
Vulnerabilities 2
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High 7.5CVE-2024-8176 Public exploit
Libexpat: expat: improper restriction of xml entity expansion depth in libexpat
A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting …
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High 7.5
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that i…
Revision history
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#2
Initial CISA Republication of Hitachi Energy PSIRT 8DBD000241 advisory
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#1
Initial public release
References
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Hitachi Energy Notification for Industrial Control Systems Cybersecurity Best Practices
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000235&LanguageCode=en&DocumentPartId=&Action=Launch
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LibExpat Vulnerabilities in Hitachi Energy ITT600 Explorer Product
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000241&LanguageCode=en&DocumentPartId=&Action=launch
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ICS Advisory ICSA-26-155-02 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-155-02
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b