Details of VAR-201706-0096

ID

VAR-201706-0096

CVE

CVE-2016-7821

TITLE

WNC01WH vulnerable to denial-of-service (DoS)

Trust: 0.8

sources: JVNDB: JVNDB-2016-000236

DESCRIPTION

Buffalo WNC01WH devices with firmware version 1.0.0.8 and earlier allow remote attackers to cause a denial of service against the management screen via unspecified vectors. WNC01WH provided by BUFFALO INC. is a network camera. WNC01WH contains a denial-of-service (DoS) vulnerability. Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.If a user views a malicious page while logged-in, the user may not be able to access the management screen. An attacker could exploit the vulnerability to cause a denial of service. Buffalo WNC01WH camera is prone to the following security vulnerabilities: 1. A cross-site request forgery vulnerability 3. An HTML-injection vulnerability 4. A security bypass vulnerability 5. Multiple directory-traversal vulnerabilities An attacker can exploit these issues to perform unauthorized actions, bypass security restrictions, cause denial-of-service conditions, execute attacker-supplied HTML or JavaScript code in the context of the affected site, to steal cookie-based authentication credentials or gain access to sensitive information. Buffalo WNC01WH firmware version 1.0.0.8 and prior are vulnerable

Trust: 2.52

sources: NVD: CVE-2016-7821 // JVNDB: JVNDB-2016-000236 // CNVD: CNVD-2016-12053 // BID: 94648 // VULHUB: VHN-96641

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2016-12053

AFFECTED PRODUCTS

vendor:	buffalotech	model:	wnc01wh	scope:	lte	version:	1.0.0.8	Trust: 1.0
vendor:	buffalo	model:	wnc01wh	scope:	lte	version:	version 1.0.0.8	Trust: 0.8
vendor:	buffalo	model:	wnc01wh	scope:	lte	version:	<=1.0.0.8	Trust: 0.6
vendor:	buffalotech	model:	wnc01wh	scope:	eq	version:	1.0.0.8	Trust: 0.6
vendor:	buffalo	model:	wnc01wh	scope:	eq	version:	1.0.0.8	Trust: 0.3
vendor:	buffalo	model:	wnc01wh	scope:	eq	version:	1.0.0.5	Trust: 0.3
vendor:	buffalo	model:	wnc01wh	scope:	eq	version:	1.0.0.4	Trust: 0.3
vendor:	buffalo	model:	wnc01wh	scope:	ne	version:	1.0.0.9	Trust: 0.3

sources: CNVD: CNVD-2016-12053 // BID: 94648 // JVNDB: JVNDB-2016-000236 // CNNVD: CNNVD-201612-086 // NVD: CVE-2016-7821

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2016-7821
value:	MEDIUM
Trust: 1.0
IPA:	JVNDB-2016-000236
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2016-12053
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-201612-086
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-96641
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2016-7821
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
IPA:	JVNDB-2016-000236
severity:	MEDIUM
baseScore:	5.4
vectorString:	AV:N/AC:H/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	HIGH
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2016-12053
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
VULHUB:	VHN-96641
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2016-7821
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	3.6
version:	3.0
Trust: 1.0
IPA:	JVNDB-2016-000236
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2016-12053 // VULHUB: VHN-96641 // JVNDB: JVNDB-2016-000236 // CNNVD: CNNVD-201612-086 // NVD: CVE-2016-7821

PROBLEMTYPE DATA

problemtype:

CWE-20

Trust: 1.9

sources: VULHUB: VHN-96641 // JVNDB: JVNDB-2016-000236 // NVD: CVE-2016-7821

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201612-086

TYPE

input validation

Trust: 0.6

sources: CNNVD: CNNVD-201612-086

CONFIGURATIONS

sources: JVNDB: JVNDB-2016-000236

PATCH

title:	BUFFALO INC. website	url:	http://buffalo.jp/support_s/s20161201.html	Trust: 0.8
title:	BuffaloWNC01WH Patch for Denial of Service Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/85410	Trust: 0.6
title:	Buffalo WNC01WH Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=66137	Trust: 0.6

sources: CNVD: CNVD-2016-12053 // JVNDB: JVNDB-2016-000236 // CNNVD: CNNVD-201612-086

EXTERNAL IDS

db:	NVD	id:	CVE-2016-7821	Trust: 3.4
db:	JVN	id:	JVN40613060	Trust: 2.8
db:	BID	id:	94648	Trust: 2.6
db:	JVNDB	id:	JVNDB-2016-000236	Trust: 0.8
db:	CNVD	id:	CNVD-2016-12053	Trust: 0.6
db:	CNNVD	id:	CNNVD-201612-086	Trust: 0.6
db:	VULHUB	id:	VHN-96641	Trust: 0.1

sources: CNVD: CNVD-2016-12053 // VULHUB: VHN-96641 // BID: 94648 // JVNDB: JVNDB-2016-000236 // CNNVD: CNNVD-201612-086 // NVD: CVE-2016-7821

REFERENCES

url:	https://jvn.jp/en/jp/jvn40613060/index.html	Trust: 2.5
url:	http://www.securityfocus.com/bid/94648	Trust: 2.3
url:	http://buffalo.jp/support_s/s20161201.html	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2016-7821	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2016-7821	Trust: 0.8
url:	http://buffalo.jp/	Trust: 0.3
url:	http://jvn.jp/en/jp/jvn40613060/index.html	Trust: 0.3
url:	http://buffalo.jp/support_s/s20161201.html	Trust: 0.3

sources: CNVD: CNVD-2016-12053 // VULHUB: VHN-96641 // BID: 94648 // JVNDB: JVNDB-2016-000236 // CNNVD: CNNVD-201612-086 // NVD: CVE-2016-7821

CREDITS

Toshitsugu Yoneyama of Mitsui Bussan Secure Directions

Trust: 0.9

sources: BID: 94648 // CNNVD: CNNVD-201612-086

SOURCES

db:	CNVD	id:	CNVD-2016-12053
db:	VULHUB	id:	VHN-96641
db:	BID	id:	94648
db:	JVNDB	id:	JVNDB-2016-000236
db:	CNNVD	id:	CNNVD-201612-086
db:	NVD	id:	CVE-2016-7821

LAST UPDATE DATE

2025-04-20T23:16:08.553000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2016-12053	date:	2016-12-09T00:00:00
db:	VULHUB	id:	VHN-96641	date:	2017-06-15T00:00:00
db:	BID	id:	94648	date:	2016-12-20T02:05:00
db:	JVNDB	id:	JVNDB-2016-000236	date:	2017-11-27T00:00:00
db:	CNNVD	id:	CNNVD-201612-086	date:	2017-06-12T00:00:00
db:	NVD	id:	CVE-2016-7821	date:	2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2016-12053	date:	2016-12-09T00:00:00
db:	VULHUB	id:	VHN-96641	date:	2017-06-09T00:00:00
db:	BID	id:	94648	date:	2016-12-02T00:00:00
db:	JVNDB	id:	JVNDB-2016-000236	date:	2016-12-02T00:00:00
db:	CNNVD	id:	CNNVD-201612-086	date:	2016-12-07T00:00:00
db:	NVD	id:	CVE-2016-7821	date:	2017-06-09T16:29:00.907