Details of VAR-202211-1257

ID

VAR-202211-1257

CVE

CVE-2022-20946

TITLE

Cisco Systems Cisco Firepower Threat Defense Out-of-bounds write vulnerability in software

Trust: 0.8

sources: JVNDB: JVNDB-2022-022980

DESCRIPTION

A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory handling error that occurs when GRE traffic is processed. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to cause the device to restart, resulting in a DoS condition. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM"] This advisory is part of the November 2022 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. Cisco Systems Cisco Firepower Threat Defense An out-of-bounds write vulnerability exists in the software.Service operation interruption (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2022-20946 // JVNDB: JVNDB-2022-022980 // VULHUB: VHN-405499

AFFECTED PRODUCTS

vendor:	cisco	model:	firepower threat defense	scope:	lte	version:	6.6.5.2	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	gte	version:	7.0.0	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	eq	version:	7.1.0.0	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	eq	version:	7.1.0.1	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	gte	version:	6.4.0	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	lte	version:	6.5.0.5	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	eq	version:	7.1.0.2	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	lte	version:	7.0.3	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	lte	version:	6.7.0.3	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	lte	version:	6.3.0.5	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	gte	version:	6.6.0	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	gte	version:	6.3.0	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	gte	version:	6.5.0	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	lte	version:	6.4.0.15	Trust: 1.0
vendor:	cisco	model:	firepower threat defense	scope:	gte	version:	6.7.0	Trust: 1.0
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 7.1.0.0	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 7.1.0.1	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 7.1.0.2	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 6.5.0 to 6.5.0.5	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 6.4.0 to 6.4.0.15	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 7.0.0 to 7.0.3	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 6.3.0 to 6.3.0.5	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 6.7.0 to 6.7.0.3	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco firepower threat defense ソフトウェア	scope:	eq	version:	cisco firepower threat defense software 6.6.0 to 6.6.5.2	Trust: 0.8

sources: JVNDB: JVNDB-2022-022980 // NVD: CVE-2022-20946

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-20946
value:	HIGH
Trust: 1.0
ykramarz@cisco.com:	CVE-2022-20946
value:	HIGH
Trust: 1.0
NVD:	CVE-2022-20946
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202211-2498
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2022-20946
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
ykramarz@cisco.com:	CVE-2022-20946
baseSeverity:	HIGH
baseScore:	8.6
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	4.0
version:	3.1
Trust: 1.0
NVD:	CVE-2022-20946
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: JVNDB: JVNDB-2022-022980 // CNNVD: CNNVD-202211-2498 // NVD: CVE-2022-20946 // NVD: CVE-2022-20946

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.1
problemtype:	CWE-122	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: VULHUB: VHN-405499 // JVNDB: JVNDB-2022-022980 // NVD: CVE-2022-20946

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202211-2498

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202211-2498

PATCH

title:	cisco-sa-ftd-gre-dos-hmedHQPM	url:	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM	Trust: 0.8
title:	Cisco Firepower Threat Defense Buffer error vulnerability fix	url:	http://123.124.177.30/web/xxk/bdxqById.tag?id=215185	Trust: 0.6

sources: JVNDB: JVNDB-2022-022980 // CNNVD: CNNVD-202211-2498

EXTERNAL IDS

db:	NVD	id:	CVE-2022-20946	Trust: 3.3
db:	JVNDB	id:	JVNDB-2022-022980	Trust: 0.8
db:	CNNVD	id:	CNNVD-202211-2498	Trust: 0.6
db:	VULHUB	id:	VHN-405499	Trust: 0.1

sources: VULHUB: VHN-405499 // JVNDB: JVNDB-2022-022980 // CNNVD: CNNVD-202211-2498 // NVD: CVE-2022-20946

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2022-20946	Trust: 1.4
url:	https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-ftd-gre-dos-hmedhqpm	Trust: 1.3
url:	https://sec.cloudapps.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-ftd-gre-dos-hmedhqpm	Trust: 1.0
url:	https://cxsecurity.com/cveshow/cve-2022-20946/	Trust: 0.6

sources: VULHUB: VHN-405499 // JVNDB: JVNDB-2022-022980 // CNNVD: CNNVD-202211-2498 // NVD: CVE-2022-20946

SOURCES

db:	VULHUB	id:	VHN-405499
db:	JVNDB	id:	JVNDB-2022-022980
db:	CNNVD	id:	CNNVD-202211-2498
db:	NVD	id:	CVE-2022-20946

LAST UPDATE DATE

2024-08-14T14:55:08.660000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-405499	date:	2022-11-22T00:00:00
db:	JVNDB	id:	JVNDB-2022-022980	date:	2023-11-24T01:53:00
db:	CNNVD	id:	CNNVD-202211-2498	date:	2022-11-23T00:00:00
db:	NVD	id:	CVE-2022-20946	date:	2024-01-25T17:15:21.187

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-405499	date:	2022-11-15T00:00:00
db:	JVNDB	id:	JVNDB-2022-022980	date:	2023-11-24T00:00:00
db:	CNNVD	id:	CNNVD-202211-2498	date:	2022-11-09T00:00:00
db:	NVD	id:	CVE-2022-20946	date:	2022-11-15T21:15:35.317