Details of VAR-201610-0273

ID

VAR-201610-0273

CVE

CVE-2016-6422

TITLE

Cisco 7600 and Catalyst 6500 Device Supervisor Engine 32 and 720 Runs on the module Cisco IOS Vulnerable to access restrictions

Trust: 0.8

sources: JVNDB: JVNDB-2016-005136

DESCRIPTION

Cisco IOS 12.2(33)SXJ9 on Supervisor Engine 32 and 720 modules for 6500 and 7600 devices mishandles certain operators, flags, and keywords in TCAM share ACLs, which allows remote attackers to bypass intended access restrictions by sending packets that should have been recognized by a filter, aka Bug ID CSCuy64806. Vendors have confirmed this vulnerability Bug ID CSCuy64806 It is released as.Access restriction may be circumvented by sending a packet that should be recognized by the filter by a third party. Cisco IOS is an operating system developed by Cisco Systems for its network devices. A security vulnerability exists in the Cisco IOS 12.2(33)SXJ9 release that can be exploited by remote attackers to bypass established access restrictions. Cisco Catalyst 6500 Series Switches and 7600 Series Routers are prone to an information-disclosure vulnerability. An attacker can exploit this issue to obtain sensitive information. This may aid in further attacks. This issue is being tracked by Cisco Bug ID CSCuy64806. The vulnerability is caused by the program not handling identifiers and keywords correctly

Trust: 2.52

sources: NVD: CVE-2016-6422 // JVNDB: JVNDB-2016-005136 // CNVD: CNVD-2016-09463 // BID: 93404 // VULHUB: VHN-95242

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2016-09463

AFFECTED PRODUCTS

vendor:	cisco	model:	ios	scope:	eq	version:	12.2\(33\)sxj9	Trust: 1.6
vendor:	cisco	model:	ios	scope:	eq	version:	12.2(33)sxj9	Trust: 0.8
vendor:	cisco	model:	ios	scope:	-	version:	-	Trust: 0.6
vendor:	cisco	model:	ios	scope:	eq	version:	0	Trust: 0.3
vendor:	cisco	model:	catalyst	scope:	eq	version:	6500	Trust: 0.3
vendor:	cisco	model:	series routers	scope:	eq	version:	76000	Trust: 0.3

sources: CNVD: CNVD-2016-09463 // BID: 93404 // JVNDB: JVNDB-2016-005136 // CNNVD: CNNVD-201610-079 // NVD: CVE-2016-6422

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2016-6422
value:	HIGH
Trust: 1.0
NVD:	CVE-2016-6422
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2016-09463
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-201610-079
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-95242
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2016-6422
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2016-09463
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-95242
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2016-6422
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.0
Trust: 1.8

sources: CNVD: CNVD-2016-09463 // VULHUB: VHN-95242 // JVNDB: JVNDB-2016-005136 // CNNVD: CNNVD-201610-079 // NVD: CVE-2016-6422

PROBLEMTYPE DATA

problemtype:

CWE-20

Trust: 1.9

sources: VULHUB: VHN-95242 // JVNDB: JVNDB-2016-005136 // NVD: CVE-2016-6422

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201610-079

TYPE

input validation

Trust: 0.6

sources: CNNVD: CNNVD-201610-079

CONFIGURATIONS

sources: JVNDB: JVNDB-2016-005136

PATCH

title:	cisco-sa-20161005-catalyst	url:	http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-catalyst	Trust: 0.8
title:	Patch for Cisco IOS Security Bypass Vulnerability (CNVD-2016-09463)	url:	https://www.cnvd.org.cn/patchInfo/show/82556	Trust: 0.6
title:	Cisco IOS Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=64507	Trust: 0.6

sources: CNVD: CNVD-2016-09463 // JVNDB: JVNDB-2016-005136 // CNNVD: CNNVD-201610-079

EXTERNAL IDS

db:	NVD	id:	CVE-2016-6422	Trust: 3.4
db:	SECTRACK	id:	1036954	Trust: 1.7
db:	BID	id:	93404	Trust: 1.4
db:	JVNDB	id:	JVNDB-2016-005136	Trust: 0.8
db:	CNNVD	id:	CNNVD-201610-079	Trust: 0.7
db:	CNVD	id:	CNVD-2016-09463	Trust: 0.6
db:	VULHUB	id:	VHN-95242	Trust: 0.1

sources: CNVD: CNVD-2016-09463 // VULHUB: VHN-95242 // BID: 93404 // JVNDB: JVNDB-2016-005136 // CNNVD: CNNVD-201610-079 // NVD: CVE-2016-6422

REFERENCES

url:	http://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20161005-catalyst	Trust: 2.0
url:	http://www.securityfocus.com/bid/93404	Trust: 1.1
url:	http://www.securitytracker.com/id/1036954	Trust: 1.1
url:	http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2016-6422	Trust: 0.8
url:	http://web.nvd.nist.gov/view/vuln/detail?vulnid=cve-2016-6422	Trust: 0.8
url:	https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20161005-catalysthttp	Trust: 0.6
url:	http://securitytracker.com/id/1036954	Trust: 0.6
url:	http://www.cisco.com/	Trust: 0.3

sources: CNVD: CNVD-2016-09463 // VULHUB: VHN-95242 // BID: 93404 // JVNDB: JVNDB-2016-005136 // CNNVD: CNNVD-201610-079 // NVD: CVE-2016-6422

CREDITS

The vendor reported this issue.

Trust: 0.3

sources: BID: 93404

SOURCES

db:	CNVD	id:	CNVD-2016-09463
db:	VULHUB	id:	VHN-95242
db:	BID	id:	93404
db:	JVNDB	id:	JVNDB-2016-005136
db:	CNNVD	id:	CNNVD-201610-079
db:	NVD	id:	CVE-2016-6422

LAST UPDATE DATE

2024-11-23T22:45:48.641000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2016-09463	date:	2016-10-19T00:00:00
db:	VULHUB	id:	VHN-95242	date:	2017-07-30T00:00:00
db:	BID	id:	93404	date:	2016-10-10T05:02:00
db:	JVNDB	id:	JVNDB-2016-005136	date:	2016-10-12T00:00:00
db:	CNNVD	id:	CNNVD-201610-079	date:	2016-10-11T00:00:00
db:	NVD	id:	CVE-2016-6422	date:	2024-11-21T02:56:06.003

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2016-09463	date:	2016-10-19T00:00:00
db:	VULHUB	id:	VHN-95242	date:	2016-10-06T00:00:00
db:	BID	id:	93404	date:	2016-10-05T00:00:00
db:	JVNDB	id:	JVNDB-2016-005136	date:	2016-10-12T00:00:00
db:	CNNVD	id:	CNNVD-201610-079	date:	2016-10-11T00:00:00
db:	NVD	id:	CVE-2016-6422	date:	2016-10-06T10:59:09.243