Details of VAR-202104-1057

ID

VAR-202104-1057

CVE

CVE-2021-29998

TITLE

Wind River VxWorks Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-005466

DESCRIPTION

An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client. Wind River VxWorks Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2021-29998 // JVNDB: JVNDB-2021-005466 // VULMON: CVE-2021-29998

AFFECTED PRODUCTS

vendor:	siemens	model:	scalance x204 irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	sinamics perfect harmony gh180	scope:	lt	version:	2022	Trust: 1.0
vendor:	siemens	model:	scalance xf204-2	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x224	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x208 pro	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x200-4 p irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x204 irt pro	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x216	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance xf206-1	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x212-2	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x201-3p irt pro	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x204-2	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance xf204 irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance xf204	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic rf 182c	scope:	eq	version:	*	Trust: 1.0
vendor:	windriver	model:	vxworks	scope:	lt	version:	6.5	Trust: 1.0
vendor:	siemens	model:	scalance x408	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x208	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance xf202-2p irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x202-2p irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance xf208	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic rf 181 eip	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x206-1	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x204-2ld	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x204-2ld ts	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x202-2p irt pro	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x204-2ts	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x300	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x201-3p irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x206-1ld	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	ruggedcom win subscriber station	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	sinamics perfect harmony gh180	scope:	gte	version:	2015	Trust: 1.0
vendor:	siemens	model:	scalance xf204-2ba irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x212-2ld	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x204-2fm	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance x202-2 irt	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	scalance xf201-3p irt	scope:	eq	version:	*	Trust: 1.0
vendor:	ウインドリバー株式会社	model:	vxworks	scope:	eq	version:	-	Trust: 0.8
vendor:	ウインドリバー株式会社	model:	vxworks	scope:	eq	version:	6.5	Trust: 0.8

sources: JVNDB: JVNDB-2021-005466 // NVD: CVE-2021-29998

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-29998
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-29998
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202104-915
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-29998
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-29998
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

nvd@nist.gov:	CVE-2021-29998
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-2021-29998
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: VULMON: CVE-2021-29998 // JVNDB: JVNDB-2021-005466 // CNNVD: CNNVD-202104-915 // NVD: CVE-2021-29998

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-005466 // NVD: CVE-2021-29998

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-915

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202104-915

PATCH

title:	CVE-2021-29998	url:	https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29998	Trust: 0.8
title:	Siemens Security Advisories: Siemens Security Advisory	url:	https://vulmon.com/vendoradvisory?qidtp=siemens_security_advisories&qid=fc21b995a19e3c9e8671f01654bfbb04	Trust: 0.1

sources: VULMON: CVE-2021-29998 // JVNDB: JVNDB-2021-005466

EXTERNAL IDS

db:	NVD	id:	CVE-2021-29998	Trust: 3.3
db:	ICS CERT	id:	ICSA-21-194-12	Trust: 1.7
db:	SIEMENS	id:	SSA-560465	Trust: 1.7
db:	SIEMENS	id:	SSA-910883	Trust: 1.6
db:	ICS CERT	id:	ICSA-22-102-02	Trust: 1.5
db:	JVN	id:	JVNVU92475198	Trust: 0.8
db:	JVN	id:	JVNVU97764115	Trust: 0.8
db:	JVNDB	id:	JVNDB-2021-005466	Trust: 0.8
db:	CS-HELP	id:	SB2022071403	Trust: 0.6
db:	CS-HELP	id:	SB2022041320	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-915	Trust: 0.6
db:	VULMON	id:	CVE-2021-29998	Trust: 0.1

sources: VULMON: CVE-2021-29998 // JVNDB: JVNDB-2021-005466 // CNNVD: CNNVD-202104-915 // NVD: CVE-2021-29998

REFERENCES

url:	https://support2.windriver.com/index.php?page=security-notices	Trust: 1.7
url:	https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf	Trust: 1.7
url:	https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12	Trust: 1.7
url:	https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2021-29998	Trust: 1.4
url:	https://www.cisa.gov/uscert/ics/advisories/icsa-22-102-02	Trust: 0.9
url:	http://jvn.jp/vu/jvnvu92475198/index.html	Trust: 0.8
url:	http://jvn.jp/vu/jvnvu97764115/index.html	Trust: 0.8
url:	https://us-cert.cisa.gov/ics/advisories/icsa-22-102-02	Trust: 0.6
url:	https://vigilance.fr/vulnerability/wind-river-vxworks-buffer-overflow-via-dhcp-client-35076	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2022041320	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2022071403	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-29998 // JVNDB: JVNDB-2021-005466 // CNNVD: CNNVD-202104-915 // NVD: CVE-2021-29998

CREDITS

Mitsubishi Electric reported this vulnerability to CISA.

Trust: 0.6

sources: CNNVD: CNNVD-202104-915

SOURCES

db:	VULMON	id:	CVE-2021-29998
db:	JVNDB	id:	JVNDB-2021-005466
db:	CNNVD	id:	CNNVD-202104-915
db:	NVD	id:	CVE-2021-29998

LAST UPDATE DATE

2024-11-23T21:32:18.715000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-29998	date:	2022-04-22T00:00:00
db:	JVNDB	id:	JVNDB-2021-005466	date:	2022-07-15T02:01:00
db:	CNNVD	id:	CNNVD-202104-915	date:	2022-07-15T00:00:00
db:	NVD	id:	CVE-2021-29998	date:	2024-11-21T06:02:08.550

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-29998	date:	2021-04-13T00:00:00
db:	JVNDB	id:	JVNDB-2021-005466	date:	2021-12-14T00:00:00
db:	CNNVD	id:	CNNVD-202104-915	date:	2021-04-13T00:00:00
db:	NVD	id:	CVE-2021-29998	date:	2021-04-13T17:15:12.310