Details of VAR-202104-1182

ID

VAR-202104-1182

CVE

CVE-2021-27698

TITLE

RIOT-OS Buffer Overflow Vulnerability in Linux

Trust: 0.8

sources: JVNDB: JVNDB-2021-005205

DESCRIPTION

RIOT-OS 2021.01 contains a buffer overflow vulnerability in /sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c through the _parse_options() function. 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. RIOT-OS 2021.01 has a security vulnerability, which stems from a buffer overflow vulnerability in the parse options() function in sys net gnrc routing rpl gnrc rpl control messages.c

Trust: 2.79

sources: NVD: CVE-2021-27698 // JVNDB: JVNDB-2021-005205 // CNVD: CNVD-2021-29118 // CNNVD: CNNVD-202104-387 // VULMON: CVE-2021-27698

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-29118

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:	2021.01	Trust: 0.6

sources: CNVD: CNVD-2021-29118 // JVNDB: JVNDB-2021-005205 // NVD: CVE-2021-27698

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-27698
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-27698
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-29118
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202104-387
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-27698
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-27698
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-2021-29118
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-2021-27698
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-2021-27698
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-2021-29118 // VULMON: CVE-2021-27698 // JVNDB: JVNDB-2021-005205 // CNNVD: CNNVD-202104-387 // NVD: CVE-2021-27698

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-005205 // NVD: CVE-2021-27698

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-387

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-387

PATCH

title:

gnrc_rpl

url:

https://github.com/RIOT-OS/RIOT/issues/16085

Trust: 0.8

sources: JVNDB: JVNDB-2021-005205

EXTERNAL IDS

db:	NVD	id:	CVE-2021-27698	Trust: 3.9
db:	JVNDB	id:	JVNDB-2021-005205	Trust: 0.8
db:	CNVD	id:	CNVD-2021-29118	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-387	Trust: 0.6
db:	VULMON	id:	CVE-2021-27698	Trust: 0.1

sources: CNVD: CNVD-2021-29118 // VULMON: CVE-2021-27698 // JVNDB: JVNDB-2021-005205 // CNNVD: CNNVD-202104-387 // NVD: CVE-2021-27698

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2021-27698	Trust: 2.0
url:	https://github.com/riot-os/riot/issues/16085	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-2021-29118 // VULMON: CVE-2021-27698 // JVNDB: JVNDB-2021-005205 // CNNVD: CNNVD-202104-387 // NVD: CVE-2021-27698

SOURCES

db:	CNVD	id:	CNVD-2021-29118
db:	VULMON	id:	CVE-2021-27698
db:	JVNDB	id:	JVNDB-2021-005205
db:	CNNVD	id:	CNNVD-202104-387
db:	NVD	id:	CVE-2021-27698

LAST UPDATE DATE

2024-11-23T22:20:45.902000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-29118	date:	2021-04-18T00:00:00
db:	VULMON	id:	CVE-2021-27698	date:	2021-04-09T00:00:00
db:	JVNDB	id:	JVNDB-2021-005205	date:	2021-12-09T07:52:00
db:	CNNVD	id:	CNNVD-202104-387	date:	2021-04-12T00:00:00
db:	NVD	id:	CVE-2021-27698	date:	2024-11-21T05:58:26.630

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-29118	date:	2021-04-18T00:00:00
db:	VULMON	id:	CVE-2021-27698	date:	2021-04-06T00:00:00
db:	JVNDB	id:	JVNDB-2021-005205	date:	2021-12-09T00:00:00
db:	CNNVD	id:	CNNVD-202104-387	date:	2021-04-06T00:00:00
db:	NVD	id:	CVE-2021-27698	date:	2021-04-06T13:15:14.387