Memory Leak Vulnerability in Amazon AWS Firecracker Serial Console
CVE-2020-27174

7.5HIGH

Key Information:

Vendor

Amazon

Status
Firecracker
Vendor
CVE Published:
16 October 2020

What is CVE-2020-27174?

The vulnerability in AWS Firecracker allows the serial console buffer to grow its memory usage indefinitely when data is input. This unbounded memory allocation can lead to excessive memory consumption on the microVM emulation thread, potentially impacting system performance and stability by consuming more resources than intended on the host environment.

References

https://github.com/firecracker-microvm/firecracker/issues...
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https://github.com/firecracker-microvm/firecracker/pull/2178
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https://github.com/firecracker-microvm/firecracker/pull/2179
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.