Details of VAR-202407-0232

ID

VAR-202407-0232

CVE

CVE-2024-39881

TITLE

Delta Electronics CNCSoft-G2 DPAX File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Trust: 2.8

sources: ZDI: ZDI-24-950 // ZDI: ZDI-24-947 // ZDI: ZDI-24-946 // ZDI: ZDI-24-945

DESCRIPTION

Delta Electronics CNCSoft-G2 lacks proper validation of user-supplied data, which can result in a memory corruption condition. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process. Delta Electronics, INC. of cncsoft-g2 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. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics CNCSoft-G2

Trust: 5.94

sources: NVD: CVE-2024-39881 // JVNDB: JVNDB-2024-006885 // ZDI: ZDI-24-950 // ZDI: ZDI-24-952 // ZDI: ZDI-24-947 // ZDI: ZDI-24-946 // ZDI: ZDI-24-945 // ZDI: ZDI-24-941 // CNVD: CNVD-2024-32987

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2024-32987

AFFECTED PRODUCTS

vendor:	delta	model:	cncsoft-g2	scope:	-	version:	-	Trust: 5.0
vendor:	deltaww	model:	cncsoft-g2	scope:	eq	version:	2.0.0.5	Trust: 1.0
vendor:	delta	model:	cncsoft-g2	scope:	eq	version:	2.0.0.5	Trust: 0.8
vendor:	delta	model:	cncsoft-g2	scope:	eq	version:	-	Trust: 0.8
vendor:	delta	model:	electronics cncsoft-g2	scope:	eq	version:	2.0.0.5	Trust: 0.6

sources: ZDI: ZDI-24-950 // ZDI: ZDI-24-952 // ZDI: ZDI-24-947 // ZDI: ZDI-24-946 // ZDI: ZDI-24-945 // ZDI: ZDI-24-941 // CNVD: CNVD-2024-32987 // JVNDB: JVNDB-2024-006885 // NVD: CVE-2024-39881

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI:	CVE-2024-39881
value:	HIGH
Trust: 4.2
nvd@nist.gov:	CVE-2024-39881
value:	HIGH
Trust: 1.0
ics-cert@hq.dhs.gov:	CVE-2024-39881
value:	HIGH
Trust: 1.0
NVD:	CVE-2024-39881
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2024-32987
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2024-32987
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

ZDI:	CVE-2024-39881
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.0
Trust: 4.2
nvd@nist.gov:	CVE-2024-39881
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2024-39881
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2024-006885 // NVD: CVE-2024-39881

PATCH

title:	Delta Electronics has issued an update to correct this vulnerability.	url:	https://www.cisa.gov/news-events/ics-advisories/icsa-24-191-01	Trust: 4.2
title:	Patch for Delta Electronics CNCSoft-G2 Out-of-Bounds Write Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/571016	Trust: 0.6

sources: ZDI: ZDI-24-950 // ZDI: ZDI-24-952 // ZDI: ZDI-24-947 // ZDI: ZDI-24-946 // ZDI: ZDI-24-945 // ZDI: ZDI-24-941 // CNVD: CNVD-2024-32987

EXTERNAL IDS

db:	NVD	id:	CVE-2024-39881	Trust: 7.4
db:	ICS CERT	id:	ICSA-24-191-01	Trust: 2.4
db:	JVN	id:	JVNVU94497573	Trust: 0.8
db:	JVNDB	id:	JVNDB-2024-006885	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-23924	Trust: 0.7
db:	ZDI	id:	ZDI-24-950	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-23926	Trust: 0.7
db:	ZDI	id:	ZDI-24-952	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-23919	Trust: 0.7
db:	ZDI	id:	ZDI-24-947	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-23918	Trust: 0.7
db:	ZDI	id:	ZDI-24-946	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-23917	Trust: 0.7
db:	ZDI	id:	ZDI-24-945	Trust: 0.7
db:	ZDI_CAN	id:	ZDI-CAN-23842	Trust: 0.7
db:	ZDI	id:	ZDI-24-941	Trust: 0.7
db:	CNVD	id:	CNVD-2024-32987	Trust: 0.6

REFERENCES

url:	https://www.cisa.gov/news-events/ics-advisories/icsa-24-191-01	Trust: 6.6
url:	https://jvn.jp/vu/jvnvu94497573/	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2024-39881	Trust: 0.8

CREDITS

Bobby Gould and Fritz Sands of Trend Micro Zero Day Initiative

Trust: 4.2

sources: ZDI: ZDI-24-950 // ZDI: ZDI-24-952 // ZDI: ZDI-24-947 // ZDI: ZDI-24-946 // ZDI: ZDI-24-945 // ZDI: ZDI-24-941

SOURCES

db:	ZDI	id:	ZDI-24-950
db:	ZDI	id:	ZDI-24-952
db:	ZDI	id:	ZDI-24-947
db:	ZDI	id:	ZDI-24-946
db:	ZDI	id:	ZDI-24-945
db:	ZDI	id:	ZDI-24-941
db:	CNVD	id:	CNVD-2024-32987
db:	JVNDB	id:	JVNDB-2024-006885
db:	NVD	id:	CVE-2024-39881

LAST UPDATE DATE

2024-08-31T22:47:49.865000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-24-950	date:	2024-08-15T00:00:00
db:	ZDI	id:	ZDI-24-952	date:	2024-08-15T00:00:00
db:	ZDI	id:	ZDI-24-947	date:	2024-08-15T00:00:00
db:	ZDI	id:	ZDI-24-946	date:	2024-08-15T00:00:00
db:	ZDI	id:	ZDI-24-945	date:	2024-08-15T00:00:00
db:	ZDI	id:	ZDI-24-941	date:	2024-08-15T00:00:00
db:	CNVD	id:	CNVD-2024-32987	date:	2024-07-17T00:00:00
db:	JVNDB	id:	JVNDB-2024-006885	date:	2024-08-30T01:20:00
db:	NVD	id:	CVE-2024-39881	date:	2024-08-29T17:37:05.707

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-24-950	date:	2024-07-22T00:00:00
db:	ZDI	id:	ZDI-24-952	date:	2024-07-22T00:00:00
db:	ZDI	id:	ZDI-24-947	date:	2024-07-22T00:00:00
db:	ZDI	id:	ZDI-24-946	date:	2024-07-22T00:00:00
db:	ZDI	id:	ZDI-24-945	date:	2024-07-22T00:00:00
db:	ZDI	id:	ZDI-24-941	date:	2024-07-22T00:00:00
db:	CNVD	id:	CNVD-2024-32987	date:	2024-07-17T00:00:00
db:	JVNDB	id:	JVNDB-2024-006885	date:	2024-08-30T00:00:00
db:	NVD	id:	CVE-2024-39881	date:	2024-07-09T22:15:02.893