Summary
Insyde has published information on vulnerabilities in Insyde BIOS on
November 8th 2022. These vulnerabilities also affect the RUGGEDCOM APE1808 product family.
Siemens has released updates for the affected products and recommends to update to the latest versions.
Vulnerabilities 6
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High 7.0
DMA transactions which are targeted at input buffers used for the SdHostDriver software SMI handler could cause SMRAM c…
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High 7.0
DMA transactions which are targeted at input buffers used for the SdMmcDevice software SMI handler could cause SMRAM co…
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Medium 6.4
DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have bee…
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Medium 6.4
Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler use…
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Medium 6.4
DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler could cause SM…
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Medium 6.4
DMA attacks on the parameter buffer used by the Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on t…
Revision history
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#2
Added remediation for affected products and removed CVE-2022-33907 as the products are not affected
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#1
Publication Date
References
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SSA-450613: Insyde BIOS Vulnerabilities in RUGGEDCOM APE1808 Product Family - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-450613.html
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SSA-450613: Insyde BIOS Vulnerabilities in RUGGEDCOM APE1808 Product Family - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf
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SSA-450613: Insyde BIOS Vulnerabilities in RUGGEDCOM APE1808 Product Family - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-450613.txt
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ICS Advisory ICSA-23-047-08 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-047-08
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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