Details of VAR-201709-1096

ID

VAR-201709-1096

CVE

CVE-2017-7924

TITLE

Rockwell Automation MicroLogix 1100 Denial of service vulnerability

Trust: 0.8

sources: IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // CNVD: CNVD-2017-22994

DESCRIPTION

An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD. A remote, unauthenticated attacker could send a single, specially crafted Programmable Controller Communication Commands (PCCC) packet to the controller that could potentially cause the controller to enter a DoS condition. Rockwell Automation MicroLogix 1100 The controller contains a vulnerability related to input validation.Service operation interruption (DoS) There is a possibility of being put into a state. Rockwell Automation is a UK company providing information on industrial automation control and globalization. The MicroLogix 1100 Series is used in food, agriculture, and water and wastewater systems. A denial of service vulnerability exists in Rockwell Automation MicroLogix 1100. An attacker could exploit the vulnerability to cause a denial of service condition

Trust: 2.79

sources: NVD: CVE-2017-7924 // JVNDB: JVNDB-2017-008424 // CNVD: CNVD-2017-22994 // BID: 99622 // IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // VULHUB: VHN-116127 // VULMON: CVE-2017-7924

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.8

sources: IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // CNVD: CNVD-2017-22994

AFFECTED PRODUCTS

vendor:	rockwellautomation	model:	1763-l16bwa	scope:	eq	version:	-	Trust: 1.6
vendor:	rockwellautomation	model:	1763-l16bbb	scope:	eq	version:	-	Trust: 1.6
vendor:	rockwellautomation	model:	1763-l16awa	scope:	eq	version:	-	Trust: 1.6
vendor:	rockwellautomation	model:	1763-l16dwd	scope:	eq	version:	-	Trust: 1.6
vendor:	rockwell automation	model:	1763-l16awa	scope:	-	version:	-	Trust: 0.8
vendor:	rockwell automation	model:	1763-l16bbb	scope:	-	version:	-	Trust: 0.8
vendor:	rockwell automation	model:	1763-l16bwa	scope:	-	version:	-	Trust: 0.8
vendor:	rockwell automation	model:	1763-l16dwd	scope:	-	version:	-	Trust: 0.8
vendor:	rockwell	model:	automation micrologix 1763-l16dwd	scope:	-	version:	-	Trust: 0.6
vendor:	rockwell	model:	automation micrologix 1763-l16bwa	scope:	-	version:	-	Trust: 0.6
vendor:	rockwell	model:	automation micrologix 1763-l16bbb	scope:	-	version:	-	Trust: 0.6
vendor:	rockwell	model:	automation micrologix 1763-l16awa	scope:	-	version:	-	Trust: 0.6
vendor:	rockwell	model:	automation micrologix controllers 1763-l16dwd	scope:	eq	version:	11000	Trust: 0.3
vendor:	rockwell	model:	automation micrologix controllers 1763-l16bwa	scope:	eq	version:	11000	Trust: 0.3
vendor:	rockwell	model:	automation micrologix controllers 1763-l16bbb	scope:	eq	version:	11000	Trust: 0.3
vendor:	rockwell	model:	automation micrologix controllers 1763-l16awa	scope:	eq	version:	11000	Trust: 0.3
vendor:	1763 l16bwa	model:	-	scope:	eq	version:	-	Trust: 0.2
vendor:	1763 l16awa	model:	-	scope:	eq	version:	-	Trust: 0.2
vendor:	1763 l16bbb	model:	-	scope:	eq	version:	-	Trust: 0.2
vendor:	1763 l16dwd	model:	-	scope:	eq	version:	-	Trust: 0.2

sources: IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // CNVD: CNVD-2017-22994 // BID: 99622 // JVNDB: JVNDB-2017-008424 // CNNVD: CNNVD-201704-1046 // NVD: CVE-2017-7924

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2017-7924
value:	HIGH
Trust: 1.0
NVD:	CVE-2017-7924
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2017-22994
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201704-1046
value:	HIGH
Trust: 0.6
IVD:	8364e61f-8335-4986-bcb5-eeb6e8754902
value:	HIGH
Trust: 0.2
VULHUB:	VHN-116127
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2017-7924
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2017-7924
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2017-22994
severity:	HIGH
baseScore:	9.4
vectorString:	AV:N/AC:L/AU:N/C:N/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	9.2
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
IVD:	8364e61f-8335-4986-bcb5-eeb6e8754902
severity:	HIGH
baseScore:	9.4
vectorString:	AV:N/AC:L/AU:N/C:N/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	9.2
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.9 [IVD]
Trust: 0.2
VULHUB:	VHN-116127
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2017-7924
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:	3.9
impactScore:	3.6
version:	3.0
Trust: 1.8

sources: IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // CNVD: CNVD-2017-22994 // VULHUB: VHN-116127 // VULMON: CVE-2017-7924 // JVNDB: JVNDB-2017-008424 // CNNVD: CNNVD-201704-1046 // NVD: CVE-2017-7924

PROBLEMTYPE DATA

problemtype:

CWE-20

Trust: 1.9

sources: VULHUB: VHN-116127 // JVNDB: JVNDB-2017-008424 // NVD: CVE-2017-7924

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201704-1046

TYPE

Input validation error

Trust: 0.8

sources: IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // CNNVD: CNNVD-201704-1046

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-008424

PATCH

title:	Top Page	url:	http://www.rockwellautomation.com/	Trust: 0.8
title:	Rockwell Automation MicroLogix 1100 Denial of Service Vulnerability Patch	url:	https://www.cnvd.org.cn/patchInfo/show/100870	Trust: 0.6
title:	Multiple Rockwell Automation Fixes for product input validation vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=99755	Trust: 0.6

sources: CNVD: CNVD-2017-22994 // JVNDB: JVNDB-2017-008424 // CNNVD: CNNVD-201704-1046

EXTERNAL IDS

db:	NVD	id:	CVE-2017-7924	Trust: 3.7
db:	ICS CERT	id:	ICSA-17-138-03	Trust: 3.5
db:	BID	id:	99622	Trust: 2.7
db:	CNNVD	id:	CNNVD-201704-1046	Trust: 0.9
db:	CNVD	id:	CNVD-2017-22994	Trust: 0.8
db:	JVNDB	id:	JVNDB-2017-008424	Trust: 0.8
db:	IVD	id:	8364E61F-8335-4986-BCB5-EEB6E8754902	Trust: 0.2
db:	VULHUB	id:	VHN-116127	Trust: 0.1
db:	VULMON	id:	CVE-2017-7924	Trust: 0.1

sources: IVD: 8364e61f-8335-4986-bcb5-eeb6e8754902 // CNVD: CNVD-2017-22994 // VULHUB: VHN-116127 // VULMON: CVE-2017-7924 // BID: 99622 // JVNDB: JVNDB-2017-008424 // CNNVD: CNNVD-201704-1046 // NVD: CVE-2017-7924

REFERENCES

url:	https://ics-cert.us-cert.gov/advisories/icsa-17-138-03	Trust: 3.5
url:	http://www.securityfocus.com/bid/99622	Trust: 1.8
url:	http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-7924	Trust: 0.8
url:	https://nvd.nist.gov/vuln/detail/cve-2017-7924	Trust: 0.8
url:	http://www.securityfocus.com/bid/99622/	Trust: 0.6
url:	http://www.rockwellautomation.com/	Trust: 0.3
url:	https://cwe.mitre.org/data/definitions/20.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://www.rapid7.com/db/modules/auxiliary/dos/scada/allen_bradley_pccc/	Trust: 0.1

sources: CNVD: CNVD-2017-22994 // VULHUB: VHN-116127 // VULMON: CVE-2017-7924 // BID: 99622 // JVNDB: JVNDB-2017-008424 // CNNVD: CNNVD-201704-1046 // NVD: CVE-2017-7924

CREDITS

Mark Gondree of Sonoma State University, Francisco Tacliad and Thuy Nguyen of the Naval Postgraduate School.

Trust: 0.3

sources: BID: 99622

SOURCES

db:	IVD	id:	8364e61f-8335-4986-bcb5-eeb6e8754902
db:	CNVD	id:	CNVD-2017-22994
db:	VULHUB	id:	VHN-116127
db:	VULMON	id:	CVE-2017-7924
db:	BID	id:	99622
db:	JVNDB	id:	JVNDB-2017-008424
db:	CNNVD	id:	CNNVD-201704-1046
db:	NVD	id:	CVE-2017-7924

LAST UPDATE DATE

2025-04-20T23:32:49.926000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2017-22994	date:	2017-09-13T00:00:00
db:	VULHUB	id:	VHN-116127	date:	2019-10-09T00:00:00
db:	VULMON	id:	CVE-2017-7924	date:	2019-10-09T00:00:00
db:	BID	id:	99622	date:	2017-07-18T00:00:00
db:	JVNDB	id:	JVNDB-2017-008424	date:	2017-10-18T00:00:00
db:	CNNVD	id:	CNNVD-201704-1046	date:	2019-10-17T00:00:00
db:	NVD	id:	CVE-2017-7924	date:	2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:	IVD	id:	8364e61f-8335-4986-bcb5-eeb6e8754902	date:	2017-08-25T00:00:00
db:	CNVD	id:	CNVD-2017-22994	date:	2017-08-25T00:00:00
db:	VULHUB	id:	VHN-116127	date:	2017-09-20T00:00:00
db:	VULMON	id:	CVE-2017-7924	date:	2017-09-20T00:00:00
db:	BID	id:	99622	date:	2017-07-18T00:00:00
db:	JVNDB	id:	JVNDB-2017-008424	date:	2017-10-18T00:00:00
db:	CNNVD	id:	CNNVD-201704-1046	date:	2017-04-21T00:00:00
db:	NVD	id:	CVE-2017-7924	date:	2017-09-20T16:29:00.863