CVE Vulnerability

CVE-2020-27174

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/firecracker-microvm/firecracker/pull/2179 Patch Third Party Advisory
https://github.com/firecracker-microvm/firecracker/pull/2178 Patch Third Party Advisory
https://github.com/firecracker-microvm/firecracker/issues/2177 Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/23/1 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:amazon:firecracker:*:*:*:*:*:*:*:*
cpe:2.3:a:amazon:firecracker:*:*:*:*:*:*:*:*
Information

Published : 2020-10-16 05:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-27174

Mitre link : CVE-2020-27174

Products Affected
No products.
CWE
CWE-401