Details of VAR-202107-0788

ID

VAR-202107-0788

CVE

CVE-2021-36143

TITLE

ACRN In NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-008901

DESCRIPTION

ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference. ACRN is an open source virtual machine monitor for the Internet of Things. No detailed vulnerability details are currently provided

Trust: 2.79

sources: NVD: CVE-2021-36143 // JVNDB: JVNDB-2021-008901 // CNVD: CNVD-2021-49045 // CNNVD: CNNVD-202107-179 // VULMON: CVE-2021-36143

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-49045

AFFECTED PRODUCTS

vendor:	linux	model:	acrn	scope:	lt	version:	2.5	Trust: 1.0
vendor:	linux	model:	acrn	scope:	eq	version:	2.5	Trust: 0.8
vendor:	linux	model:	acrn	scope:	eq	version:	-	Trust: 0.8
vendor:	acrn	model:	acrn	scope:	lt	version:	2.5	Trust: 0.6

sources: CNVD: CNVD-2021-49045 // JVNDB: JVNDB-2021-008901 // NVD: CVE-2021-36143

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-36143
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-36143
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-49045
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202107-179
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-36143
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-36143
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-49045
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-36143
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2021-36143
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-49045 // VULMON: CVE-2021-36143 // JVNDB: JVNDB-2021-008901 // CNNVD: CNNVD-202107-179 // NVD: CVE-2021-36143

PROBLEMTYPE DATA

problemtype:	CWE-476	Trust: 1.0
problemtype:	NULL Pointer dereference (CWE-476) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-008901 // NVD: CVE-2021-36143

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-179

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202107-179

PATCH

title:

Top Page

url:

https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5

Trust: 0.8

sources: JVNDB: JVNDB-2021-008901

EXTERNAL IDS

db:	NVD	id:	CVE-2021-36143	Trust: 3.9
db:	JVNDB	id:	JVNDB-2021-008901	Trust: 0.8
db:	CNVD	id:	CNVD-2021-49045	Trust: 0.6
db:	CNNVD	id:	CNNVD-202107-179	Trust: 0.6
db:	VULMON	id:	CVE-2021-36143	Trust: 0.1

sources: CNVD: CNVD-2021-49045 // VULMON: CVE-2021-36143 // JVNDB: JVNDB-2021-008901 // CNNVD: CNNVD-202107-179 // NVD: CVE-2021-36143

REFERENCES

url:	https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-36143	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/476.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-49045 // VULMON: CVE-2021-36143 // JVNDB: JVNDB-2021-008901 // CNNVD: CNNVD-202107-179 // NVD: CVE-2021-36143

SOURCES

db:	CNVD	id:	CNVD-2021-49045
db:	VULMON	id:	CVE-2021-36143
db:	JVNDB	id:	JVNDB-2021-008901
db:	CNNVD	id:	CNNVD-202107-179
db:	NVD	id:	CVE-2021-36143

LAST UPDATE DATE

2024-08-14T15:27:43.562000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-49045	date:	2021-07-10T00:00:00
db:	VULMON	id:	CVE-2021-36143	date:	2021-07-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-008901	date:	2022-03-31T04:46:00
db:	CNNVD	id:	CNNVD-202107-179	date:	2021-07-09T00:00:00
db:	NVD	id:	CVE-2021-36143	date:	2021-07-08T18:07:26.143

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-49045	date:	2021-07-10T00:00:00
db:	VULMON	id:	CVE-2021-36143	date:	2021-07-02T00:00:00
db:	JVNDB	id:	JVNDB-2021-008901	date:	2022-03-31T00:00:00
db:	CNNVD	id:	CNNVD-202107-179	date:	2021-07-02T00:00:00
db:	NVD	id:	CVE-2021-36143	date:	2021-07-02T22:15:08.833