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ID

VAR-201205-0020


CVE

CVE-2011-4012


TITLE

Cisco IOS Fragmentation in ( Fragmentation ) Unknown vulnerabilities in the entry generation process

Trust: 0.8

sources: JVNDB: JVNDB-2012-002221

DESCRIPTION

Cisco IOS 12.0, 15.0, and 15.1, when a Policy Feature Card 3C (PFC3C) is used, does not create a fragment entry during processing of an ICMPv6 ACL, which has unspecified impact and remote attack vectors, aka Bug ID CSCtj90091. The problem is Bug ID CSCtj90091 It is a problem.Details of the impact of this vulnerability are unknown. Cisco IOS is a popular Internet operating system. Policy Feature Card 3C (PFC3C) handles fragmentation errors in ICMPv6 ACLs, and remote attackers cause denial of service through elaborate network traffic. IOS is prone to a remote security vulnerability

Trust: 2.52

sources: NVD: CVE-2011-4012 // JVNDB: JVNDB-2012-002221 // CNVD: CNVD-2012-2410 // BID: 78398 // VULHUB: VHN-51957

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2012-2410

AFFECTED PRODUCTS

vendor:ciscomodel:iosscope:eqversion:15.1

Trust: 3.3

vendor:ciscomodel:iosscope:eqversion:15.0

Trust: 3.3

vendor:ciscomodel:iosscope:eqversion:12.0

Trust: 3.3

sources: CNVD: CNVD-2012-2410 // BID: 78398 // JVNDB: JVNDB-2012-002221 // CNNVD: CNNVD-201205-043 // NVD: CVE-2011-4012

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2011-4012
value: HIGH

Trust: 1.0

NVD: CVE-2011-4012
value: HIGH

Trust: 0.8

CNNVD: CNNVD-201205-043
value: CRITICAL

Trust: 0.6

VULHUB: VHN-51957
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2011-4012
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-51957
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

sources: VULHUB: VHN-51957 // JVNDB: JVNDB-2012-002221 // CNNVD: CNNVD-201205-043 // NVD: CVE-2011-4012

PROBLEMTYPE DATA

problemtype:NVD-CWE-Other

Trust: 1.0

problemtype:CWE-Other

Trust: 0.8

sources: JVNDB: JVNDB-2012-002221 // NVD: CVE-2011-4012

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201205-043

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-201205-043

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2012-002221

PATCH
title:Caveats in Release 12.2(33)SXJ and Rebuildsurl:http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXJ.html
Trust: 0.8
title:Patch for Cisco IOS Policy Feature Card 3C (PFC3C) Denial of Service Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/16788
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2012-2410 // 
            
            
            
            JVNDB: JVNDB-2012-002221

EXTERNAL IDS
db:NVDid:CVE-2011-4012
Trust: 3.4
db:SECTRACKid:1027005
Trust: 1.4
db:JVNDBid:JVNDB-2012-002221
Trust: 0.8
db:CNNVDid:CNNVD-201205-043
Trust: 0.7
db:CNVDid:CNVD-2012-2410
Trust: 0.6
db:NSFOCUSid:19634
Trust: 0.6
db:BIDid:78398
Trust: 0.4
db:VULHUBid:VHN-51957
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2012-2410 // 
            
            
            
            VULHUB: VHN-51957 // 
            
            
            
            BID: 78398 // 
            
            
            
            JVNDB: JVNDB-2012-002221 // 
            
            
            
            CNNVD: CNNVD-201205-043 // 
            
            
            
            NVD: CVE-2011-4012

REFERENCES
url:http://www.cisco.com/en/us/docs/switches/lan/catalyst6500/ios/12.2sx/release/notes/caveats_sxj.html
Trust: 2.6
url:http://www.securitytracker.com/id?1027005
Trust: 1.4
url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2011-4012
Trust: 0.8
url:http://web.nvd.nist.gov/view/vuln/detail?vulnid=cve-2011-4012
Trust: 0.8
url:http://www.nsfocus.net/vulndb/19634
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2012-2410 // 
            
            
            
            VULHUB: VHN-51957 // 
            
            
            
            BID: 78398 // 
            
            
            
            JVNDB: JVNDB-2012-002221 // 
            
            
            
            CNNVD: CNNVD-201205-043 // 
            
            
            
            NVD: CVE-2011-4012

CREDITS
Unknown
Trust: 0.3
sources:
            
            
            BID: 78398

SOURCES
db:CNVDid:CNVD-2012-2410
db:VULHUBid:VHN-51957
db:BIDid:78398
db:JVNDBid:JVNDB-2012-002221
db:CNNVDid:CNNVD-201205-043
db:NVDid:CVE-2011-4012

LAST UPDATE DATE
2025-04-11T22:49:38.791000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2012-2410date:2012-05-10T00:00:00
db:VULHUBid:VHN-51957date:2012-10-30T00:00:00
db:BIDid:78398date:2012-05-02T00:00:00
db:JVNDBid:JVNDB-2012-002221date:2012-05-08T00:00:00
db:CNNVDid:CNNVD-201205-043date:2012-05-07T00:00:00
db:NVDid:CVE-2011-4012date:2025-04-11T00:51:21.963

SOURCES RELEASE DATE
db:CNVDid:CNVD-2012-2410date:2012-05-10T00:00:00
db:VULHUBid:VHN-51957date:2012-05-02T00:00:00
db:BIDid:78398date:2012-05-02T00:00:00
db:JVNDBid:JVNDB-2012-002221date:2012-05-08T00:00:00
db:CNNVDid:CNNVD-201205-043date:2012-05-03T00:00:00
db:NVDid:CVE-2011-4012date:2012-05-02T10:09:21.707