CVE-2020-8904

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Summary

CVECVE-2020-8904
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-08-12 19:15:00 UTC
Updated2020-08-13 14:42:00 UTC
DescriptionAn arbitrary memory overwrite vulnerability in the trusted memory of Asylo exists in versions prior to 0.6.0. As the ecall_restore function fails to validate the range of the output_len pointer, an attacker can manipulate the tmp_output_len value and write to an arbitrary location in the trusted (enclave) memory. We recommend updating Asylo to version 0.6.0 or later.

Risk And Classification

Problem Types: CWE-119

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Google Asylo All All All All
Application Google Asylo All All All All

References

ReferenceSourceLinkTags
Check for output_len range in ecall_restore · google/asylo@e582f36 · GitHub CONFIRM github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Qinkun Bao, Zhaofeng Chen, Mingshen Sun, and Kang Li from Baidu Security

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