Summary
A heap overflow vulnerability in dhclient of the affected products, which has been published alongside other vulnerabilities as part of NAME:WRECK could allow an attacker to potentially remotely execute code.
Siemens recommends specific countermeasures for products.
Vulnerabilities 1
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Unscored —CVE-2020-7461 Public exploit
In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and …
Revision history
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#2
Revision - Fixing typos
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#1
Publication Date
References
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SSA-288459: Heap Overflow Vulnerability in RFID terminals - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-288459.txt
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SSA-288459: Heap Overflow Vulnerability in RFID terminals - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-288459.pdf
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ICS Advisory ICSA-21-257-11 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-21-257-11
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Recommended Practices
https://www.cisa.gov/uscert/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://us-cert.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/uscert/ics/tips/ICS-TIP-12-146-01B