CVE-2020-27174

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Summary

CVECVE-2020-27174
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-10-16 05:15:00 UTC
Updated2021-07-21 11:39:00 UTC
DescriptionIn Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host.

Risk And Classification

Problem Types: CWE-401

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Amazon Firecracker All All All All
Application Amazon Firecracker All All All All

References

ReferenceSourceLinkTags
[v0.22.1] Fix serial memory allocation issue. by sandreim · Pull Request #2179 · firecracker-microvm/firecracker · GitHub MISC github.com Patch, Third Party Advisory
[v0.21.3] Fix serial memory allocation issue by sandreim · Pull Request #2178 · firecracker-microvm/firecracker · GitHub MISC github.com Patch, Third Party Advisory
oss-security - CVE-2020-27174: Firecracker serial console emulation may allocate an unbounded amount of memory MLIST www.openwall.com Third Party Advisory
Firecracker serial console emulation may allocate an unbounded amount of memory · Issue #2177 · firecracker-microvm/firecracker · GitHub MISC github.com Third Party Advisory
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