Details of VAR-202104-1018

ID

VAR-202104-1018

CVE

CVE-2021-27357

TITLE

RIOT-OS Buffer Overflow Vulnerability in Linux

Trust: 0.8

sources: JVNDB: JVNDB-2021-005236

DESCRIPTION

RIOT-OS 2020.01 contains a buffer overflow vulnerability in /sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c. RIOT-OS Contains a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. RIOT is a real-time multi-threaded IoT operating system that supports a series of devices commonly found in the Internet of Things. No detailed vulnerability details are currently provided

Trust: 2.79

sources: NVD: CVE-2021-27357 // JVNDB: JVNDB-2021-005236 // CNVD: CNVD-2021-29116 // CNNVD: CNNVD-202104-388 // VULMON: CVE-2021-27357

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-29116

AFFECTED PRODUCTS

vendor:	riot os	model:	riot	scope:	eq	version:	2021.01	Trust: 1.0
vendor:	riot	model:	os	scope:	eq	version:	2021.01	Trust: 0.8
vendor:	riot	model:	os	scope:	eq	version:	-	Trust: 0.8
vendor:	riot	model:	riot-os	scope:	eq	version:	2020.01	Trust: 0.6

sources: CNVD: CNVD-2021-29116 // JVNDB: JVNDB-2021-005236 // NVD: CVE-2021-27357

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-27357
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-27357
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-29116
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202104-388
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-27357
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-27357
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-29116
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-27357
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2021-27357
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-29116 // VULMON: CVE-2021-27357 // JVNDB: JVNDB-2021-005236 // CNNVD: CNNVD-202104-388 // NVD: CVE-2021-27357

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-005236 // NVD: CVE-2021-27357

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-388

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-388

PATCH

title:

gnrc_rpl

url:

https://github.com/RIOT-OS/RIOT/issues/16018

Trust: 0.8

sources: JVNDB: JVNDB-2021-005236

EXTERNAL IDS

db:	NVD	id:	CVE-2021-27357	Trust: 3.9
db:	JVNDB	id:	JVNDB-2021-005236	Trust: 0.8
db:	CNVD	id:	CNVD-2021-29116	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-388	Trust: 0.6
db:	VULMON	id:	CVE-2021-27357	Trust: 0.1

sources: CNVD: CNVD-2021-29116 // VULMON: CVE-2021-27357 // JVNDB: JVNDB-2021-005236 // CNNVD: CNNVD-202104-388 // NVD: CVE-2021-27357

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2021-27357	Trust: 2.0
url:	https://github.com/riot-os/riot/issues/16018	Trust: 1.7
url:	https://cwe.mitre.org/data/definitions/120.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-29116 // VULMON: CVE-2021-27357 // JVNDB: JVNDB-2021-005236 // CNNVD: CNNVD-202104-388 // NVD: CVE-2021-27357

SOURCES

db:	CNVD	id:	CNVD-2021-29116
db:	VULMON	id:	CVE-2021-27357
db:	JVNDB	id:	JVNDB-2021-005236
db:	CNNVD	id:	CNNVD-202104-388
db:	NVD	id:	CVE-2021-27357

LAST UPDATE DATE

2024-11-23T22:33:05.348000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-29116	date:	2021-04-18T00:00:00
db:	VULMON	id:	CVE-2021-27357	date:	2021-04-09T00:00:00
db:	JVNDB	id:	JVNDB-2021-005236	date:	2021-12-09T08:34:00
db:	CNNVD	id:	CNNVD-202104-388	date:	2021-04-12T00:00:00
db:	NVD	id:	CVE-2021-27357	date:	2024-11-21T05:57:50.073

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-29116	date:	2021-04-18T00:00:00
db:	VULMON	id:	CVE-2021-27357	date:	2021-04-06T00:00:00
db:	JVNDB	id:	JVNDB-2021-005236	date:	2021-12-09T00:00:00
db:	CNNVD	id:	CNNVD-202104-388	date:	2021-04-06T00:00:00
db:	NVD	id:	CVE-2021-27357	date:	2021-04-06T13:15:14.277