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CVE-2020-27174

Good to know:

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Date: October 16, 2020

In 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.

Language: RUST

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-27174
https://github.com/firecracker-microvm/firecracker/issues/2177
https://github.com/firecracker-microvm/firecracker/pull/2178
https://github.com/firecracker-microvm/firecracker/pull/2179
http://www.openwall.com/lists/oss-security/2020/10/23/1
https://www.mend.io/vulnerability-database/CVE-2020-27174

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW
Additional information:

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