Details of VAR-201606-0253

ID

VAR-201606-0253

CVE

CVE-2016-4519

TITLE

Unitronics VisiLogic OPLC IDE Stack Buffer Overflow Vulnerability

Trust: 0.8

sources: IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8 // CNVD: CNVD-2016-04321

DESCRIPTION

Stack-based buffer overflow in Unitronics VisiLogic OPLC IDE before 9.8.30 allows remote attackers to execute arbitrary code via a crafted filename field in a ZIP archive in a vlp file. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within parsing of a vlp file, which uses the zip file format. The software fails to validate the length of the filename field within the file before copying it to a stack buffer. This vulnerability can be leveraged by an attacker to achieve code execution within the context of the process. Unitronics VisiLogic OPLC IDE is a set of human machine interface (HMI) and PLC application programming environments for Vision and SAMBA series controllers from Unitronics, Israel. Unitronics VisiLogic is prone to a stack-based buffer-overflow vulnerability because it fails to adequately bounds-check user-supplied data before copying it to an insufficiently sized memory buffer. Failed exploit attempts will likely cause a denial-of-service condition. Versions prior to Visilogic 9.8.30 are vulnerable

Trust: 3.24

sources: NVD: CVE-2016-4519 // JVNDB: JVNDB-2016-003353 // ZDI: ZDI-16-375 // CNVD: CNVD-2016-04321 // BID: 91402 // IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8 // CNVD: CNVD-2016-04321

AFFECTED PRODUCTS

vendor:	unitronics	model:	visilogic oplc ide	scope:	lt	version:	9.8.30	Trust: 1.4
vendor:	unitronics	model:	visilogic oplc ide	scope:	lte	version:	9.8.22	Trust: 1.0
vendor:	unitronics	model:	visilogic oplc ide	scope:	-	version:	-	Trust: 0.7
vendor:	unitronics	model:	visilogic oplc ide	scope:	eq	version:	9.8.22	Trust: 0.6
vendor:	visilogic oplc ide	model:	-	scope:	eq	version:	*	Trust: 0.2

sources: IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8 // ZDI: ZDI-16-375 // CNVD: CNVD-2016-04321 // JVNDB: JVNDB-2016-003353 // CNNVD: CNNVD-201606-550 // NVD: CVE-2016-4519

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2016-4519
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2016-4519
value:	CRITICAL
Trust: 0.8
ZDI:	CVE-2016-4519
value:	MEDIUM
Trust: 0.7
CNVD:	CNVD-2016-04321
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201606-550
value:	HIGH
Trust: 0.6
IVD:	2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8
value:	HIGH
Trust: 0.2

nvd@nist.gov:	CVE-2016-4519
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
ZDI:	CVE-2016-4519
severity:	MEDIUM
baseScore:	6.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.7
CNVD:	CNVD-2016-04321
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2

nvd@nist.gov:	CVE-2016-4519
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:	3.9
impactScore:	5.9
version:	3.0
Trust: 1.8

sources: IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8 // ZDI: ZDI-16-375 // CNVD: CNVD-2016-04321 // JVNDB: JVNDB-2016-003353 // CNNVD: CNNVD-201606-550 // NVD: CVE-2016-4519

PROBLEMTYPE DATA

problemtype:

CWE-119

Trust: 1.8

sources: JVNDB: JVNDB-2016-003353 // NVD: CVE-2016-4519

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201606-550

TYPE

Buffer overflow

Trust: 0.8

sources: IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8 // CNNVD: CNNVD-201606-550

CONFIGURATIONS

sources: JVNDB: JVNDB-2016-003353

PATCH

title:	VisiLogic	url:	http://unitronicsplc.com/software-visilogic/	Trust: 0.8
title:	Unitronics has issued an update to correct this vulnerability.	url:	https://ics-cert.us-cert.gov/advisories/ICSA-16-175-02	Trust: 0.7
title:	Patch for Unitronics VisiLogic OPLC IDE Stack Buffer Overflow Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/78163	Trust: 0.6
title:	Unitronics VisiLogic OPLC IDE Fixes for stack-based buffer overflow vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=62466	Trust: 0.6

sources: ZDI: ZDI-16-375 // CNVD: CNVD-2016-04321 // JVNDB: JVNDB-2016-003353 // CNNVD: CNNVD-201606-550

EXTERNAL IDS

db:	NVD	id:	CVE-2016-4519	Trust: 4.2
db:	ICS CERT	id:	ICSA-16-175-02	Trust: 3.0
db:	ZDI	id:	ZDI-16-375	Trust: 1.7
db:	BID	id:	91402	Trust: 1.3
db:	CNVD	id:	CNVD-2016-04321	Trust: 0.8
db:	CNNVD	id:	CNNVD-201606-550	Trust: 0.8
db:	JVNDB	id:	JVNDB-2016-003353	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-3713	Trust: 0.7
db:	IVD	id:	2749D9AE-AEC6-4417-9B60-FD7C8DC5F6C8	Trust: 0.2

sources: IVD: 2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8 // ZDI: ZDI-16-375 // CNVD: CNVD-2016-04321 // BID: 91402 // JVNDB: JVNDB-2016-003353 // CNNVD: CNNVD-201606-550 // NVD: CVE-2016-4519

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-16-175-02	Trust: 3.7
url:	http://www.securityfocus.com/bid/91402	Trust: 1.0
url:	http://zerodayinitiative.com/advisories/zdi-16-375/	Trust: 1.0
url:	http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2016-4519	Trust: 0.8
url:	http://web.nvd.nist.gov/view/vuln/detail?vulnid=cve-2016-4519	Trust: 0.8

sources: ZDI: ZDI-16-375 // CNVD: CNVD-2016-04321 // JVNDB: JVNDB-2016-003353 // CNNVD: CNNVD-201606-550 // NVD: CVE-2016-4519

CREDITS

Steven Seeley of Source Incite

Trust: 0.7

sources: ZDI: ZDI-16-375

SOURCES

db:	IVD	id:	2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8
db:	ZDI	id:	ZDI-16-375
db:	CNVD	id:	CNVD-2016-04321
db:	BID	id:	91402
db:	JVNDB	id:	JVNDB-2016-003353
db:	CNNVD	id:	CNNVD-201606-550
db:	NVD	id:	CVE-2016-4519

LAST UPDATE DATE

2025-04-13T23:31:26.298000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-16-375	date:	2016-06-24T00:00:00
db:	CNVD	id:	CNVD-2016-04321	date:	2016-06-27T00:00:00
db:	BID	id:	91402	date:	2016-07-06T15:06:00
db:	JVNDB	id:	JVNDB-2016-003353	date:	2016-06-29T00:00:00
db:	CNNVD	id:	CNNVD-201606-550	date:	2016-06-27T00:00:00
db:	NVD	id:	CVE-2016-4519	date:	2025-04-12T10:46:40.837

SOURCES RELEASE DATE

db:	IVD	id:	2749d9ae-aec6-4417-9b60-fd7c8dc5f6c8	date:	2016-06-27T00:00:00
db:	ZDI	id:	ZDI-16-375	date:	2016-06-24T00:00:00
db:	CNVD	id:	CNVD-2016-04321	date:	2016-06-27T00:00:00
db:	BID	id:	91402	date:	2016-06-23T00:00:00
db:	JVNDB	id:	JVNDB-2016-003353	date:	2016-06-29T00:00:00
db:	CNNVD	id:	CNNVD-201606-550	date:	2016-06-24T00:00:00
db:	NVD	id:	CVE-2016-4519	date:	2016-06-25T01:59:00.173