Details of VAR-201305-0008

ID

VAR-201305-0008

CVE

CVE-2012-4697

TITLE

TURCK BL20/BL67 FTP Built-in account security bypass vulnerability

Trust: 0.8

sources: IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // CNVD: CNVD-2013-05966

DESCRIPTION

TURCK BL20 Programmable Gateway and BL67 Programmable Gateway have hardcoded accounts, which allows remote attackers to obtain administrative access via an FTP session. The TURCK BL20/BL67 is an industrial control system device. The TURCK BL20/BL67 FTP service uses built-in authentication credentials that allow remote attackers to gain administrator access to the device via TCP port 21 and to operate communications between remote I/O, PLC or DCS systems. A remote attacker can exploit the vulnerability to gain access to administrator privileges. TURCK BL20 and BL67 are prone to a security-bypass vulnerability. http://drupal.org/node/207891. TURCK BL20/BL67 are two programmable gateway products of German Turck (TURCK) company. The product is widely used in agriculture, automobile industry and manufacturing in European and American countries. There is a security bypass vulnerability in all versions of TURCK BL20/BL67. The vulnerability stems from the existence of some default accounts in the device, which are hard-coded in the device

Trust: 2.7

sources: NVD: CVE-2012-4697 // JVNDB: JVNDB-2013-002816 // CNVD: CNVD-2013-05966 // BID: 59979 // IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // VULHUB: VHN-57978

IOT TAXONOMY

category:	['ICS', 'Network device']	sub_category:	-	Trust: 0.6
category:	['ICS']	sub_category:	-	Trust: 0.2

sources: IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // CNVD: CNVD-2013-05966

AFFECTED PRODUCTS

vendor:	turck	model:	bl20 programmable gateway	scope:	eq	version:	-	Trust: 3.2
vendor:	turck	model:	bl67 programmable gateway	scope:	eq	version:	-	Trust: 3.2
vendor:	turck	model:	bl67 programmable gateway	scope:	-	version:	-	Trust: 1.4
vendor:	turck	model:	bl20 programmable gateway	scope:	-	version:	-	Trust: 1.4
vendor:	bl20 programmable gateway	model:	-	scope:	eq	version:	-	Trust: 0.4
vendor:	bl67 programmable gateway	model:	-	scope:	eq	version:	-	Trust: 0.4
vendor:	turck	model:	bl67 programmable gateway	scope:	eq	version:	0	Trust: 0.3
vendor:	turck	model:	bl20 programmable gateway	scope:	eq	version:	0	Trust: 0.3

sources: IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // CNVD: CNVD-2013-05966 // BID: 59979 // JVNDB: JVNDB-2013-002816 // CNNVD: CNNVD-201305-384 // NVD: CVE-2012-4697

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2012-4697
value:	HIGH
Trust: 1.0
NVD:	CVE-2012-4697
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2013-05966
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201305-384
value:	CRITICAL
Trust: 0.6
IVD:	ef1f1088-2352-11e6-abef-000c29c66e3d
value:	CRITICAL
Trust: 0.2
VULHUB:	VHN-57978
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2012-4697
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2013-05966
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	ef1f1088-2352-11e6-abef-000c29c66e3d
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2
VULHUB:	VHN-57978
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

sources: IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // CNVD: CNVD-2013-05966 // VULHUB: VHN-57978 // JVNDB: JVNDB-2013-002816 // CNNVD: CNNVD-201305-384 // NVD: CVE-2012-4697

PROBLEMTYPE DATA

problemtype:	CWE-255	Trust: 1.1
problemtype:	CWE-264	Trust: 0.8

sources: VULHUB: VHN-57978 // JVNDB: JVNDB-2013-002816 // NVD: CVE-2012-4697

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201305-384

TYPE

Trust management

Trust: 0.8

sources: IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // CNNVD: CNNVD-201305-384

CONFIGURATIONS

sources: JVNDB: JVNDB-2013-002816

PATCH

title:	Top Page	url:	http://www.turck-usa.com/index.htm	Trust: 0.8
title:	TURCK BL20/BL67 FTP built-in account security bypass vulnerability patch	url:	https://www.cnvd.org.cn/patchInfo/show/34242	Trust: 0.6

sources: CNVD: CNVD-2013-05966 // JVNDB: JVNDB-2013-002816

EXTERNAL IDS

db:	NVD	id:	CVE-2012-4697	Trust: 3.6
db:	ICS CERT	id:	ICSA-13-136-01	Trust: 3.4
db:	BID	id:	59979	Trust: 1.0
db:	CNNVD	id:	CNNVD-201305-384	Trust: 0.9
db:	CNVD	id:	CNVD-2013-05966	Trust: 0.8
db:	JVNDB	id:	JVNDB-2013-002816	Trust: 0.8
db:	SECUNIA	id:	53456	Trust: 0.6
db:	IVD	id:	EF1F1088-2352-11E6-ABEF-000C29C66E3D	Trust: 0.2
db:	VULHUB	id:	VHN-57978	Trust: 0.1

sources: IVD: ef1f1088-2352-11e6-abef-000c29c66e3d // CNVD: CNVD-2013-05966 // VULHUB: VHN-57978 // BID: 59979 // JVNDB: JVNDB-2013-002816 // CNNVD: CNNVD-201305-384 // NVD: CVE-2012-4697

REFERENCES

url:	http://ics-cert.us-cert.gov/advisories/icsa-13-136-01	Trust: 3.4
url:	http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2012-4697	Trust: 0.8
url:	http://web.nvd.nist.gov/view/vuln/detail?vulnid=cve-2012-4697	Trust: 0.8
url:	http://secunia.com/advisories/53456	Trust: 0.6
url:	http://www.turck-usa.com/index.htm	Trust: 0.3

sources: CNVD: CNVD-2013-05966 // VULHUB: VHN-57978 // BID: 59979 // JVNDB: JVNDB-2013-002816 // CNNVD: CNNVD-201305-384 // NVD: CVE-2012-4697

CREDITS

Rubén Santamarta of IOActive

Trust: 0.3

sources: BID: 59979

SOURCES

db:	IVD	id:	ef1f1088-2352-11e6-abef-000c29c66e3d
db:	CNVD	id:	CNVD-2013-05966
db:	VULHUB	id:	VHN-57978
db:	BID	id:	59979
db:	JVNDB	id:	JVNDB-2013-002816
db:	CNNVD	id:	CNNVD-201305-384
db:	NVD	id:	CVE-2012-4697

LAST UPDATE DATE

2025-04-11T23:12:01.107000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2013-05966	date:	2013-05-28T00:00:00
db:	VULHUB	id:	VHN-57978	date:	2013-06-24T00:00:00
db:	BID	id:	59979	date:	2013-05-16T00:00:00
db:	JVNDB	id:	JVNDB-2013-002816	date:	2013-05-27T00:00:00
db:	CNNVD	id:	CNNVD-201305-384	date:	2013-06-08T00:00:00
db:	NVD	id:	CVE-2012-4697	date:	2025-04-11T00:51:21.963

SOURCES RELEASE DATE

db:	IVD	id:	ef1f1088-2352-11e6-abef-000c29c66e3d	date:	2013-05-23T00:00:00
db:	CNVD	id:	CNVD-2013-05966	date:	2013-05-23T00:00:00
db:	VULHUB	id:	VHN-57978	date:	2013-05-23T00:00:00
db:	BID	id:	59979	date:	2013-05-16T00:00:00
db:	JVNDB	id:	JVNDB-2013-002816	date:	2013-05-27T00:00:00
db:	CNNVD	id:	CNNVD-201305-384	date:	2013-05-21T00:00:00
db:	NVD	id:	CVE-2012-4697	date:	2013-05-23T17:55:02.870