Firecracker 0.20.0/0.21.0/0.21.1 Network Stack denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Firecracker 0.20.0/0.21.0/0.21.1. This affects an unknown part of the component Network Stack. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2020-16843. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Firecracker 0.20.0/0.21.0/0.21.1 and classified as problematic. This vulnerability affects an unknown code block of the component Network Stack. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was shared 08/04/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2020-16843 since 08/04/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 0.20.1 or 0.21.2 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firecracker 0.20.1/0.21.2

Timelineinfo

08/04/2020 🔍
08/04/2020 +0 days 🔍
08/05/2020 +1 days 🔍
08/05/2020 +0 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-16843 (🔍)
GCVE (CVE): GCVE-0-2020-16843
GCVE (VulDB): GCVE-100-159304

Entryinfo

Created: 08/05/2020 07:47
Updated: 08/05/2020 07:52
Changes: 08/05/2020 07:47 (38), 08/05/2020 07:52 (17)
Complete: 🔍
Cache ID: 216::103

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