Details of VAR-202008-0651

ID

VAR-202008-0651

CVE

CVE-2020-15634

TITLE

NETGEAR R6700 Router software format string vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-009639

DESCRIPTION

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 routers with firmware 1.0.4.84_10.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9755. NETGEAR R6700 A router software contains a format string vulnerability. Zero Day Initiative To this vulnerability ZDI-CAN-9755 Was numbered.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. NETGEAR R6700 is an AC1750 smart WiFi router

Trust: 2.88

sources: NVD: CVE-2020-15634 // JVNDB: JVNDB-2020-009639 // ZDI: ZDI-20-935 // CNVD: CNVD-2020-46225 // VULMON: CVE-2020-15634

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-46225

AFFECTED PRODUCTS

vendor:	netgear	model:	r6700	scope:	lt	version:	1.0.4.98	Trust: 1.6
vendor:	netgear	model:	r6700	scope:	eq	version:	1.0.4.84_10.0.58	Trust: 0.8
vendor:	netgear	model:	r6700	scope:	-	version:	-	Trust: 0.7

sources: ZDI: ZDI-20-935 // CNVD: CNVD-2020-46225 // JVNDB: JVNDB-2020-009639 // NVD: CVE-2020-15634

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-15634
value:	MEDIUM
Trust: 1.0
zdi-disclosures@trendmicro.com:	CVE-2020-15634
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2020-009639
value:	MEDIUM
Trust: 0.8
ZDI:	CVE-2020-15634
value:	MEDIUM
Trust: 0.7
CNVD:	CNVD-2020-46225
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202008-113
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2020-15634
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-15634
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	6.5
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
NVD:	JVNDB-2020-009639
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector:	ADJACENT 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-2020-46225
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	6.5
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-15634
baseSeverity:	MEDIUM
baseScore:	6.3
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	2.8
impactScore:	3.4
version:	3.1
Trust: 1.0
zdi-disclosures@trendmicro.com:	CVE-2020-15634
baseSeverity:	MEDIUM
baseScore:	6.3
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	2.8
impactScore:	3.4
version:	3.0
Trust: 1.0
NVD:	JVNDB-2020-009639
baseSeverity:	MEDIUM
baseScore:	6.3
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8
ZDI:	CVE-2020-15634
baseSeverity:	MEDIUM
baseScore:	6.3
vectorString:	AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	2.8
impactScore:	3.4
version:	3.0
Trust: 0.7

sources: ZDI: ZDI-20-935 // CNVD: CNVD-2020-46225 // VULMON: CVE-2020-15634 // JVNDB: JVNDB-2020-009639 // CNNVD: CNNVD-202008-113 // NVD: CVE-2020-15634 // NVD: CVE-2020-15634

PROBLEMTYPE DATA

problemtype:

CWE-134

Trust: 1.8

sources: JVNDB: JVNDB-2020-009639 // NVD: CVE-2020-15634

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202008-113

TYPE

format string error

Trust: 0.6

sources: CNNVD: CNNVD-202008-113

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-009639

PATCH

title:	Security Advisory for Pre-Authentication Command Injection on R6700v3, PSV-2020-0189	url:	https://kb.netgear.com/000062126/Security-Advisory-for-Pre-Authentication-Command-Injection-on-R6700v3-PSV-2020-0189	Trust: 1.5
title:	Patch for NETGEAR R6700 remote code execution vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/230437	Trust: 0.6
title:	NETGEAR R6700 Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=125437	Trust: 0.6

sources: ZDI: ZDI-20-935 // CNVD: CNVD-2020-46225 // JVNDB: JVNDB-2020-009639 // CNNVD: CNNVD-202008-113

EXTERNAL IDS

db:	NVD	id:	CVE-2020-15634	Trust: 3.8
db:	ZDI	id:	ZDI-20-935	Trust: 3.0
db:	JVNDB	id:	JVNDB-2020-009639	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-9755	Trust: 0.7
db:	CNVD	id:	CNVD-2020-46225	Trust: 0.6
db:	CNNVD	id:	CNNVD-202008-113	Trust: 0.6
db:	VULMON	id:	CVE-2020-15634	Trust: 0.1

sources: ZDI: ZDI-20-935 // CNVD: CNVD-2020-46225 // VULMON: CVE-2020-15634 // JVNDB: JVNDB-2020-009639 // CNNVD: CNNVD-202008-113 // NVD: CVE-2020-15634

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-20-935/	Trust: 2.9
url:	https://kb.netgear.com/000062126/security-advisory-for-pre-authentication-command-injection-on-r6700v3-psv-2020-0189	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2020-15634	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-15634	Trust: 0.8
url:	https://cwe.mitre.org/data/definitions/134.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://exchange.xforce.ibmcloud.com/vulnerabilities/186279	Trust: 0.1

sources: ZDI: ZDI-20-935 // CNVD: CNVD-2020-46225 // VULMON: CVE-2020-15634 // JVNDB: JVNDB-2020-009639 // CNNVD: CNNVD-202008-113 // NVD: CVE-2020-15634

CREDITS

d4rkn3ss from VNPT ISC

Trust: 0.7

sources: ZDI: ZDI-20-935

SOURCES

db:	ZDI	id:	ZDI-20-935
db:	CNVD	id:	CNVD-2020-46225
db:	VULMON	id:	CVE-2020-15634
db:	JVNDB	id:	JVNDB-2020-009639
db:	CNNVD	id:	CNNVD-202008-113
db:	NVD	id:	CVE-2020-15634

LAST UPDATE DATE

2024-11-23T21:59:07.384000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-20-935	date:	2020-08-04T00:00:00
db:	CNVD	id:	CNVD-2020-46225	date:	2020-08-15T00:00:00
db:	VULMON	id:	CVE-2020-15634	date:	2020-08-24T00:00:00
db:	JVNDB	id:	JVNDB-2020-009639	date:	2020-11-24T06:37:26
db:	CNNVD	id:	CNNVD-202008-113	date:	2020-08-25T00:00:00
db:	NVD	id:	CVE-2020-15634	date:	2024-11-21T05:05:54.640

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-20-935	date:	2020-08-04T00:00:00
db:	CNVD	id:	CNVD-2020-46225	date:	2020-08-15T00:00:00
db:	VULMON	id:	CVE-2020-15634	date:	2020-08-20T00:00:00
db:	JVNDB	id:	JVNDB-2020-009639	date:	2020-11-24T06:37:26
db:	CNNVD	id:	CNNVD-202008-113	date:	2020-08-04T00:00:00
db:	NVD	id:	CVE-2020-15634	date:	2020-08-20T01:17:13.163