Details of VAR-202012-0720

ID

VAR-202012-0720

CVE

CVE-2020-27717

TITLE

F5 Networks of BIG-IP Domain Name System (DNS) Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-018307

DESCRIPTION

On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file. F5 Networks of BIG-IP Domain Name System (DNS) Exists in unspecified vulnerabilities.Service operation interruption (DoS) It may be in a state. F5 BIG-IP is an application delivery platform integrated with network traffic management, application security management, load balancing and other functions of the US company F5. There is a security vulnerability in F5 BIG-IP, which can be exploited by an attacker to trigger a fatal error through the DNS request of F5 BIG-IP to trigger a denial of service

Trust: 1.8

sources: NVD: CVE-2020-27717 // JVNDB: JVNDB-2020-018307 // VULHUB: VHN-371828 // VULMON: CVE-2020-27717

AFFECTED PRODUCTS

vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	16.0.1	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	15.1.1	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lte	version:	12.1.5	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	13.1.3.5	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	14.1.3.1	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	12.1.0 to 12.1.5	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	14.1.0 that's all 14.1.3.1	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	15.0.0 that's all 15.1.1	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	13.1.0 that's all 13.1.3.5	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	16.0.0 that's all 16.0.1	Trust: 0.8

sources: JVNDB: JVNDB-2020-018307 // NVD: CVE-2020-27717

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-27717
value:	HIGH
Trust: 1.0
NVD:	CVE-2020-27717
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202012-1288
value:	HIGH
Trust: 0.6
VULHUB:	VHN-371828
value:	HIGH
Trust: 0.1
VULMON:	CVE-2020-27717
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2020-27717
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
VULHUB:	VHN-371828
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2020-27717
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2020-27717
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-371828 // VULMON: CVE-2020-27717 // JVNDB: JVNDB-2020-018307 // CNNVD: CNNVD-202012-1288 // NVD: CVE-2020-27717

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	Lack of information (CWE-noinfo) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2020-018307 // NVD: CVE-2020-27717

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-1288

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202012-1288

PATCH

title:	K43850230	url:	https://my.f5.com/manage/s/article/K43850230	Trust: 0.8
title:	F5 BIG-IP Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137971	Trust: 0.6

sources: JVNDB: JVNDB-2020-018307 // CNNVD: CNNVD-202012-1288

EXTERNAL IDS

db:	NVD	id:	CVE-2020-27717	Trust: 3.4
db:	JVNDB	id:	JVNDB-2020-018307	Trust: 0.8
db:	CNNVD	id:	CNNVD-202012-1288	Trust: 0.7
db:	AUSCERT	id:	ESB-2020.4489	Trust: 0.6
db:	VULHUB	id:	VHN-371828	Trust: 0.1
db:	VULMON	id:	CVE-2020-27717	Trust: 0.1

sources: VULHUB: VHN-371828 // VULMON: CVE-2020-27717 // JVNDB: JVNDB-2020-018307 // CNNVD: CNNVD-202012-1288 // NVD: CVE-2020-27717

REFERENCES

url:	https://support.f5.com/csp/article/k43850230	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2020-27717	Trust: 1.4
url:	https://www.auscert.org.au/bulletins/esb-2020.4489/	Trust: 0.6
url:	https://vigilance.fr/vulnerability/f5-big-ip-denial-of-service-via-dns-requests-34151	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-371828 // VULMON: CVE-2020-27717 // JVNDB: JVNDB-2020-018307 // CNNVD: CNNVD-202012-1288 // NVD: CVE-2020-27717

SOURCES

db:	VULHUB	id:	VHN-371828
db:	VULMON	id:	CVE-2020-27717
db:	JVNDB	id:	JVNDB-2020-018307
db:	CNNVD	id:	CNNVD-202012-1288
db:	NVD	id:	CVE-2020-27717

LAST UPDATE DATE

2024-11-23T22:05:18.327000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-371828	date:	2020-12-28T00:00:00
db:	VULMON	id:	CVE-2020-27717	date:	2020-12-28T00:00:00
db:	JVNDB	id:	JVNDB-2020-018307	date:	2024-07-19T01:13:00
db:	CNNVD	id:	CNNVD-202012-1288	date:	2021-01-05T00:00:00
db:	NVD	id:	CVE-2020-27717	date:	2024-11-21T05:21:41.230

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-371828	date:	2020-12-24T00:00:00
db:	VULMON	id:	CVE-2020-27717	date:	2020-12-24T00:00:00
db:	JVNDB	id:	JVNDB-2020-018307	date:	2024-07-19T00:00:00
db:	CNNVD	id:	CNNVD-202012-1288	date:	2020-12-17T00:00:00
db:	NVD	id:	CVE-2020-27717	date:	2020-12-24T16:15:14.977