Details of VAR-202004-1823

ID

VAR-202004-1823

CVE

CVE-2020-9499

TITLE

Dahua Classic buffer overflow vulnerability in the product

Trust: 0.8

sources: JVNDB: JVNDB-2020-003798

DESCRIPTION

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down. Dahua The product contains a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. Dahua SD6AL Series and others are products of China Dahua Company. SD6AL Series is a SD6AL series network camera. NVR 5x Series is a 5x series network video recorder. IPC-HX2XXX Series is an IPC-HX2XXX series network camera

Trust: 2.16

sources: NVD: CVE-2020-9499 // JVNDB: JVNDB-2020-003798 // CNVD: CNVD-2020-22979

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-22979

AFFECTED PRODUCTS

vendor:	dahuasecurity	model:	sd6al	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n42b2p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	ipc-hx5842h	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	ipc-hx7842h	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	sd52c	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	ptz1a	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n52b2p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n54a4p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	sd50	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	sd5a	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	sd1a	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n52b5p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n52b3p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n42b1p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	ipc-hxxx5x4x	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n42b3p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n52a4p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	n54b2p	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahuasecurity	model:	ipc-hx2xxx	scope:	lt	version:	2019-12	Trust: 1.0
vendor:	dahua	model:	ipc-hx2xxx	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	ipc-hx5842h	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	ipc-hx7842h	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	ipc-hxxx5x4x	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	ptz1a	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	sd1a	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	sd50	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	sd52c	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	sd5a	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	sd6al	scope:	-	version:	-	Trust: 0.8
vendor:	dahua	model:	sd 6al series	scope:	-	version:	-	Trust: 0.6
vendor:	dahua	model:	sd 5a series	scope:	-	version:	-	Trust: 0.6
vendor:	dahua	model:	sd 1a series	scope:	-	version:	-	Trust: 0.6
vendor:	dahua	model:	sd 50/52c series	scope:	-	version:	-	Trust: 0.6
vendor:	dahua	model:	nvr n5x series	scope:	-	version:	-	Trust: 0.6
vendor:	dahua	model:	nvr n4x series	scope:	-	version:	-	Trust: 0.6
vendor:	dahua	model:	ipc n4 series	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2020-22979 // JVNDB: JVNDB-2020-003798 // NVD: CVE-2020-9499

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-9499
value:	HIGH
Trust: 1.0
NVD:	JVNDB-2020-003798
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2020-22979
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202004-553
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2020-9499
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2020-003798
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:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2020-22979
severity:	HIGH
baseScore:	8.3
vectorString:	AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	MULTIPLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	6.4
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-9499
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.2
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	JVNDB-2020-003798
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-2020-22979 // JVNDB: JVNDB-2020-003798 // CNNVD: CNNVD-202004-553 // NVD: CVE-2020-9499

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2020-003798 // NVD: CVE-2020-9499

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202004-553

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-553

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-003798

PATCH

title:	DHCC-SA-202004-001	url:	https://www.dahuasecurity.com/support/cybersecurity/details/727	Trust: 0.8
title:	Patch for Multiple Dahua product buffer overflow vulnerabilities	url:	https://www.cnvd.org.cn/patchInfo/show/213931	Trust: 0.6
title:	Multiple Dahua Product Buffer Error Vulnerability Fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=115746	Trust: 0.6

sources: CNVD: CNVD-2020-22979 // JVNDB: JVNDB-2020-003798 // CNNVD: CNNVD-202004-553

EXTERNAL IDS

db:	NVD	id:	CVE-2020-9499	Trust: 3.0
db:	JVNDB	id:	JVNDB-2020-003798	Trust: 0.8
db:	CNVD	id:	CNVD-2020-22979	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-553	Trust: 0.6

sources: CNVD: CNVD-2020-22979 // JVNDB: JVNDB-2020-003798 // CNNVD: CNNVD-202004-553 // NVD: CVE-2020-9499

REFERENCES

url:	https://www.dahuasecurity.com/support/cybersecurity/details/727	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2020-9499	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-9499	Trust: 0.8

sources: JVNDB: JVNDB-2020-003798 // CNNVD: CNNVD-202004-553 // NVD: CVE-2020-9499

SOURCES

db:	CNVD	id:	CNVD-2020-22979
db:	JVNDB	id:	JVNDB-2020-003798
db:	CNNVD	id:	CNNVD-202004-553
db:	NVD	id:	CVE-2020-9499

LAST UPDATE DATE

2024-11-23T21:35:53.118000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-22979	date:	2020-05-12T00:00:00
db:	JVNDB	id:	JVNDB-2020-003798	date:	2020-04-24T00:00:00
db:	CNNVD	id:	CNNVD-202004-553	date:	2020-05-09T00:00:00
db:	NVD	id:	CVE-2020-9499	date:	2024-11-21T05:40:46.800

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-22979	date:	2020-04-15T00:00:00
db:	JVNDB	id:	JVNDB-2020-003798	date:	2020-04-24T00:00:00
db:	CNNVD	id:	CNNVD-202004-553	date:	2020-04-09T00:00:00
db:	NVD	id:	CVE-2020-9499	date:	2020-04-09T14:15:13.213