Details of VAR-202212-1132

ID

VAR-202212-1132

CVE

CVE-2022-42475

TITLE

FortiOS and FortiProxy Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2022-004202

DESCRIPTION

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests. FortiOS and FortiProxy Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state.   Exploitation status: Fortinet is aware of an instance where this vulnerability was exploited in the wild, and recommends immediately validating your systems against the following indicators of compromise:   Multiple log entries with: Logdesc="Application crashed" and msg="[...] application:sslvpnd,[...], Signal 11 received, Backtrace: [...]“   Presence of the following artifacts in the filesystem: /data/lib/libips.bak /data/lib/libgif.so /data/lib/libiptcp.so /data/lib/libipudp.so /data/lib/libjepg.so /var/.sslvpnconfigbk /data/etc/wxd.conf /flash   Connections to suspicious IP addresses from the FortiGate: 188.34.130.40:444 103.131.189.143:30080,30081,30443,20443 192.36.119.61:8443,444 172.247.168.153:8033

Trust: 1.8

sources: NVD: CVE-2022-42475 // JVNDB: JVNDB-2022-004202 // VULHUB: VHN-439116 // VULMON: CVE-2022-42475

AFFECTED PRODUCTS

vendor:	fortinet	model:	fortiproxy	scope:	gte	version:	2.0.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	5.0.14	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	5.4.13	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	5.6.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	7.2.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	6.0.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	7.0.7	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	6.4.0	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	lte	version:	1.0.7	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	lte	version:	2.0.11	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	7.0.8	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	7.0.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	5.6.14	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	6.2.11	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	lte	version:	1.1.6	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	gte	version:	1.0.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	6.0.14	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	6.2.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	6.4.10	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	5.2.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	7.2.2	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	lte	version:	1.2.13	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	gte	version:	1.1.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	5.0.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	gte	version:	5.4.0	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	gte	version:	7.0.0	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	eq	version:	7.2.0	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	6.4.9	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	lte	version:	7.0.7	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	6.0.15	Trust: 1.0
vendor:	fortinet	model:	fortios	scope:	lte	version:	5.2.15	Trust: 1.0
vendor:	fortinet	model:	fortiproxy	scope:	gte	version:	1.2.0	Trust: 1.0
vendor:	フォーティネット	model:	fortios	scope:	eq	version:	6.4.0 to 6.4.10	Trust: 0.8
vendor:	フォーティネット	model:	fortios	scope:	lte	version:	6.0.15 and earlier	Trust: 0.8
vendor:	フォーティネット	model:	fortios	scope:	eq	version:	6.2.0 to 6.2.11	Trust: 0.8
vendor:	フォーティネット	model:	fortios	scope:	eq	version:	7.0.0 to 7.0.8	Trust: 0.8
vendor:	フォーティネット	model:	fortiproxy	scope:	-	version:	-	Trust: 0.8
vendor:	フォーティネット	model:	fortios	scope:	eq	version:	7.2.0 to 7.2.2	Trust: 0.8

sources: JVNDB: JVNDB-2022-004202 // NVD: CVE-2022-42475

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2022-42475
value:	CRITICAL
Trust: 1.0
psirt@fortinet.com:	CVE-2022-42475
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2022-004202
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202212-2946
value:	CRITICAL
Trust: 0.6

NVD:
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 2.0
OTHER:	JVNDB-2022-004202
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2022-004202 // NVD: CVE-2022-42475 // NVD: CVE-2022-42475 // CNNVD: CNNVD-202212-2946

PROBLEMTYPE DATA

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

sources: VULHUB: VHN-439116 // JVNDB: JVNDB-2022-004202 // NVD: CVE-2022-42475

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202212-2946

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202212-2946

CONFIGURATIONS

sources: NVD: CVE-2022-42475

PATCH

title:	FG-IR-22-398	url:	https://www.fortiguard.com/psirt/fg-ir-22-398	Trust: 0.8
title:	Fortinet FortiOS Buffer error vulnerability fix	url:	http://123.124.177.30/web/xxk/bdxqbyid.tag?id=220509	Trust: 0.6
title:	Fortinet Security Advisories: FortiOS - heap-based buffer overflow in sslvpnd	url:	https://vulmon.com/vendoradvisory?qidtp=fortinet_security_advisories&qid=fg-ir-22-398	Trust: 0.1
title:	-	url:	https://www.theregister.co.uk/2022/12/14/microsoft_december_patch_tuesday/	Trust: 0.1

sources: VULMON: CVE-2022-42475 // JVNDB: JVNDB-2022-004202 // CNNVD: CNNVD-202212-2946

EXTERNAL IDS

db:	NVD	id:	CVE-2022-42475	Trust: 3.4
db:	JVNDB	id:	JVNDB-2022-004202	Trust: 0.8
db:	AUSCERT	id:	ESB-2022.6458	Trust: 0.6
db:	CNNVD	id:	CNNVD-202212-2946	Trust: 0.6
db:	VULHUB	id:	VHN-439116	Trust: 0.1
db:	VULMON	id:	CVE-2022-42475	Trust: 0.1

sources: VULHUB: VHN-439116 // VULMON: CVE-2022-42475 // JVNDB: JVNDB-2022-004202 // NVD: CVE-2022-42475 // CNNVD: CNNVD-202212-2946

REFERENCES

url:	https://fortiguard.com/psirt/fg-ir-22-398	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2022-42475	Trust: 0.8
url:	https://vigilance.fr/vulnerability/fortinet-fortios-buffer-overflow-via-sslvpnd-40074	Trust: 0.6
url:	https://cxsecurity.com/cveshow/cve-2022-42475/	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2022.6458	Trust: 0.6

sources: VULHUB: VHN-439116 // VULMON: CVE-2022-42475 // JVNDB: JVNDB-2022-004202 // NVD: CVE-2022-42475 // CNNVD: CNNVD-202212-2946

SOURCES

db:	VULHUB	id:	VHN-439116
db:	VULMON	id:	CVE-2022-42475
db:	JVNDB	id:	JVNDB-2022-004202
db:	NVD	id:	CVE-2022-42475
db:	CNNVD	id:	CNNVD-202212-2946

LAST UPDATE DATE

2023-12-18T13:50:45.887000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-439116	date:	2023-01-09T00:00:00
db:	JVNDB	id:	JVNDB-2022-004202	date:	2023-03-30T06:24:00
db:	NVD	id:	CVE-2022-42475	date:	2023-11-07T03:53:22.660
db:	CNNVD	id:	CNNVD-202212-2946	date:	2023-01-10T00:00:00

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-439116	date:	2023-01-02T00:00:00
db:	JVNDB	id:	JVNDB-2022-004202	date:	2023-03-30T00:00:00
db:	NVD	id:	CVE-2022-42475	date:	2023-01-02T09:15:09.490
db:	CNNVD	id:	CNNVD-202212-2946	date:	2022-12-12T00:00:00