Details of VAR-202012-0716

ID

VAR-202012-0716

CVE

CVE-2020-27713

TITLE

BIG-IP AFM Vulnerabilities in lack of free memory after expiration

Trust: 0.8

sources: JVNDB: JVNDB-2020-014301

DESCRIPTION

In certain configurations on version 13.1.3.4, when a BIG-IP AFM HTTP security profile is applied to a virtual server and the BIG-IP system receives a request with specific characteristics, the connection is reset and the Traffic Management Microkernel (TMM) leaks memory. BIG-IP AFM Is vulnerable to a lack of free memory after expiration.Denial of service (DoS) It may be put into a state. F5 BIG-IP AFM is an advanced firewall product used to protect against DDos attacks from F5 Corporation of the United States. There is a security vulnerability in BIG-IP AFM HTTP version 13.1.3.4

Trust: 1.71

sources: NVD: CVE-2020-27713 // JVNDB: JVNDB-2020-014301 // VULHUB: VHN-371824

AFFECTED PRODUCTS

vendor:	f5	model:	big-ip advanced firewall manager	scope:	eq	version:	13.1.3.4	Trust: 1.8
vendor:	f5	model:	big-ip advanced firewall manager	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2020-014301 // NVD: CVE-2020-27713

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-27713
value:	HIGH
Trust: 1.0
NVD:	CVE-2020-27713
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202012-949
value:	HIGH
Trust: 0.6
VULHUB:	VHN-371824
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-27713
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-371824
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-2020-27713
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-2020-27713
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-371824 // JVNDB: JVNDB-2020-014301 // CNNVD: CNNVD-202012-949 // NVD: CVE-2020-27713

PROBLEMTYPE DATA

problemtype:	CWE-401	Trust: 1.1
problemtype:	Lack of free memory after expiration (CWE-401) [NVD Evaluation ]	Trust: 0.8

sources: VULHUB: VHN-371824 // JVNDB: JVNDB-2020-014301 // NVD: CVE-2020-27713

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-949

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202012-949

PATCH

title:	K37960100	url:	https://support.f5.com/csp/article/K37960100	Trust: 0.8
title:	F5 BIG-IP AFM Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137298	Trust: 0.6

sources: JVNDB: JVNDB-2020-014301 // CNNVD: CNNVD-202012-949

EXTERNAL IDS

db:	NVD	id:	CVE-2020-27713	Trust: 2.5
db:	JVNDB	id:	JVNDB-2020-014301	Trust: 0.8
db:	AUSCERT	id:	ESB-2020.4379	Trust: 0.6
db:	CNNVD	id:	CNNVD-202012-949	Trust: 0.6
db:	VULHUB	id:	VHN-371824	Trust: 0.1

sources: VULHUB: VHN-371824 // JVNDB: JVNDB-2020-014301 // CNNVD: CNNVD-202012-949 // NVD: CVE-2020-27713

REFERENCES

url:	https://support.f5.com/csp/article/k37960100	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2020-27713	Trust: 1.4
url:	https://www.auscert.org.au/bulletins/esb-2020.4379/	Trust: 0.6
url:	https://vigilance.fr/vulnerability/f5-big-ip-afm-memory-leak-via-http-security-profile-34088	Trust: 0.6

sources: VULHUB: VHN-371824 // JVNDB: JVNDB-2020-014301 // CNNVD: CNNVD-202012-949 // NVD: CVE-2020-27713

SOURCES

db:	VULHUB	id:	VHN-371824
db:	JVNDB	id:	JVNDB-2020-014301
db:	CNNVD	id:	CNNVD-202012-949
db:	NVD	id:	CVE-2020-27713

LAST UPDATE DATE

2024-11-23T21:51:06.597000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-371824	date:	2020-12-14T00:00:00
db:	JVNDB	id:	JVNDB-2020-014301	date:	2021-08-13T08:46:00
db:	CNNVD	id:	CNNVD-202012-949	date:	2020-12-16T00:00:00
db:	NVD	id:	CVE-2020-27713	date:	2024-11-21T05:21:40.740

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-371824	date:	2020-12-11T00:00:00
db:	JVNDB	id:	JVNDB-2020-014301	date:	2021-08-13T00:00:00
db:	CNNVD	id:	CNNVD-202012-949	date:	2020-12-11T00:00:00
db:	NVD	id:	CVE-2020-27713	date:	2020-12-11T19:15:12.467