CVE-2018-18068

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Summary

CVECVE-2018-18068
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-04-04 20:29:00 UTC
Updated2019-10-03 00:03:00 UTC
DescriptionThe ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3.

Risk And Classification

Problem Types: CWE-668

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Raspberrypi Raspberry Pi 3 Model B - All All All
Operating System Raspberrypi Raspberry Pi 3 Model B Firmware - All All All
Hardware Raspberrypi Raspberry Pi 3 Model B - All All All
Hardware Raspberrypi Raspberry Pi 3 Model B - All All All
Operating System Raspberrypi Raspberry Pi 3 Model B Firmware - All All All
Operating System Raspberrypi Raspberry Pi 3 Model B Firmware - All All All

References

ReferenceSourceLinkTags
CSDL | IEEE Computer Society MISC www.computer.org Third Party Advisory
www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf MISC www.cs.wayne.edu Exploit, Technical Description, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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