CVE-2020-16843

In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered.

CVSS v3.0 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/firecracker-microvm/firecracker/issues/2057	Mitigation Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/08/13/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/08/13/1	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:amazon:firecracker:0.20.0:::::::*
	cpe:2.3:a:amazon:firecracker:0.21.0:::::::*
	cpe:2.3:a:amazon:firecracker:0.21.1:::::::*

Information

Published : 2020-08-04 13:15

Updated : 2020-08-19 11:39

NVD link : CVE-2020-16843

Mitre link : CVE-2020-16843

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

amazon

firecracker

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