Details of VAR-201704-0755

ID

VAR-201704-0755

CVE

CVE-2017-2340

TITLE

Juniper Networks Junos OS Input validation vulnerability

Trust: 1.4

sources: JVNDB: JVNDB-2017-003646 // CNNVD: CNNVD-201704-988

DESCRIPTION

On Juniper Networks Junos OS 15.1 releases from 15.1R3 to 15.1R4, 16.1 prior to 16.1R3, on M/MX platforms where Enhanced Subscriber Management for DHCPv6 subscribers is configured, a vulnerability in processing IPv6 ND packets originating from subscribers and destined to M/MX series routers can result in a PFE (Packet Forwarding Engine) hang or crash. Juniper Networks Junos OS Contains an input validation vulnerability.Service operation interruption (DoS) An attack may be carried out. Juniper Junos is prone to a denial-of-service vulnerability. Attackers can exploit this issue to crash and hang the affected device, denying service to legitimate users. Juniper Junos OS is a set of network operating system of Juniper Networks (Juniper Networks) dedicated to the company's hardware systems. The operating system provides a secure programming interface and Junos SDK

Trust: 1.98

sources: NVD: CVE-2017-2340 // JVNDB: JVNDB-2017-003646 // BID: 97607 // VULHUB: VHN-110543

AFFECTED PRODUCTS

vendor:	juniper	model:	junos	scope:	eq	version:	16.1	Trust: 1.9
vendor:	juniper	model:	junos	scope:	eq	version:	15.1	Trust: 1.6
vendor:	juniper	model:	junos os	scope:	eq	version:	15.1r3 to 15.1r4	Trust: 0.8
vendor:	juniper	model:	junos os	scope:	lt	version:	16.1	Trust: 0.8
vendor:	juniper	model:	junos os	scope:	eq	version:	16.1r3	Trust: 0.8
vendor:	juniper	model:	junos	scope:	eq	version:	16.2	Trust: 0.3
vendor:	juniper	model:	junos 16.1r1	scope:	-	version:	-	Trust: 0.3
vendor:	juniper	model:	junos 15.1r4	scope:	-	version:	-	Trust: 0.3
vendor:	juniper	model:	junos 15.1r3	scope:	-	version:	-	Trust: 0.3
vendor:	juniper	model:	junos 16.2r1	scope:	ne	version:	-	Trust: 0.3
vendor:	juniper	model:	junos 16.1r3	scope:	ne	version:	-	Trust: 0.3
vendor:	juniper	model:	junos 15.1r5	scope:	ne	version:	-	Trust: 0.3

sources: BID: 97607 // JVNDB: JVNDB-2017-003646 // CNNVD: CNNVD-201704-988 // NVD: CVE-2017-2340

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2017-2340
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2017-2340
value:	MEDIUM
Trust: 0.8
CNNVD:	CNNVD-201704-988
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-110543
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2017-2340
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: 1.8
VULHUB:	VHN-110543
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: 0.1

nvd@nist.gov:	CVE-2017-2340
baseSeverity:	MEDIUM
baseScore:	5.3
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	LOW
exploitabilityScore:	3.9
impactScore:	1.4
version:	3.0
Trust: 1.8

sources: VULHUB: VHN-110543 // JVNDB: JVNDB-2017-003646 // CNNVD: CNNVD-201704-988 // NVD: CVE-2017-2340

PROBLEMTYPE DATA

problemtype:

CWE-20

Trust: 1.9

sources: VULHUB: VHN-110543 // JVNDB: JVNDB-2017-003646 // NVD: CVE-2017-2340

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201704-988

TYPE

input validation

Trust: 0.6

sources: CNNVD: CNNVD-201704-988

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-003646

PATCH

title:	JSA10786	url:	https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10786&actp=METADATA	Trust: 0.8
title:	Juniper Networks Junos OS Enter the fix for the verification vulnerability	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=70255	Trust: 0.6

sources: JVNDB: JVNDB-2017-003646 // CNNVD: CNNVD-201704-988

EXTERNAL IDS

db:	NVD	id:	CVE-2017-2340	Trust: 2.8
db:	BID	id:	97607	Trust: 2.0
db:	JUNIPER	id:	JSA10786	Trust: 2.0
db:	SECTRACK	id:	1038254	Trust: 1.1
db:	JVNDB	id:	JVNDB-2017-003646	Trust: 0.8
db:	CNNVD	id:	CNNVD-201704-988	Trust: 0.7
db:	VULHUB	id:	VHN-110543	Trust: 0.1

sources: VULHUB: VHN-110543 // BID: 97607 // JVNDB: JVNDB-2017-003646 // CNNVD: CNNVD-201704-988 // NVD: CVE-2017-2340

REFERENCES

url:	http://www.securityfocus.com/bid/97607	Trust: 1.7
url:	https://kb.juniper.net/jsa10786	Trust: 1.7
url:	http://www.securitytracker.com/id/1038254	Trust: 1.1
url:	http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-2340	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2017-2340	Trust: 0.8
url:	http://www.juniper.net/	Trust: 0.3
url:	http://www.juniper.net/us/en/products-services/nos/junos/	Trust: 0.3
url:	https://kb.juniper.net/infocenter/index?page=content&id=jsa10786&cat=sirt_1&actp=list	Trust: 0.3

sources: VULHUB: VHN-110543 // BID: 97607 // JVNDB: JVNDB-2017-003646 // CNNVD: CNNVD-201704-988 // NVD: CVE-2017-2340

CREDITS

The vendor reported this issue.

Trust: 0.3

sources: BID: 97607

SOURCES

db:	VULHUB	id:	VHN-110543
db:	BID	id:	97607
db:	JVNDB	id:	JVNDB-2017-003646
db:	CNNVD	id:	CNNVD-201704-988
db:	NVD	id:	CVE-2017-2340

LAST UPDATE DATE

2025-04-20T23:32:59.383000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-110543	date:	2017-07-11T00:00:00
db:	BID	id:	97607	date:	2017-04-18T00:05:00
db:	JVNDB	id:	JVNDB-2017-003646	date:	2017-06-01T00:00:00
db:	CNNVD	id:	CNNVD-201704-988	date:	2017-05-16T00:00:00
db:	NVD	id:	CVE-2017-2340	date:	2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-110543	date:	2017-04-24T00:00:00
db:	BID	id:	97607	date:	2017-04-12T00:00:00
db:	JVNDB	id:	JVNDB-2017-003646	date:	2017-06-01T00:00:00
db:	CNNVD	id:	CNNVD-201704-988	date:	2017-04-12T00:00:00
db:	NVD	id:	CVE-2017-2340	date:	2017-04-24T15:59:00.847