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ID

VAR-201909-0165


CVE

CVE-2019-12655


TITLE

Cisco IOS XE Classic buffer overflow vulnerability in software

Trust: 0.8

sources: JVNDB: JVNDB-2019-010188

DESCRIPTION

A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the Zone-Based Policy Firewall (ZBFW) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a buffer overflow that occurs when an affected device inspects certain FTP traffic. An attacker could exploit this vulnerability by performing a specific FTP transfer through the device. A successful exploit could allow the attacker to cause the device to reload. Cisco IOS XE The software contains a classic buffer overflow vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Cisco IOS XE is an operating system developed by Cisco for its network equipment

Trust: 1.71

sources: NVD: CVE-2019-12655 // JVNDB: JVNDB-2019-010188 // VULHUB: VHN-144423

AFFECTED PRODUCTS

vendor:ciscomodel:iosscope:eqversion:16.9.1

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vendor:ciscomodel:iosscope:gteversion:16.10.1

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vendor:ciscomodel:iosscope:eqversion:16.6.5

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vendor:ciscomodel:iosscope:eqversion:16.9.2

Trust: 1.0

vendor:ciscomodel:iosscope:ltversion:16.3.8

Trust: 1.0

vendor:ciscomodel:iosscope:eqversion:16.6.4

Trust: 1.0

vendor:ciscomodel:iosscope:gteversion:3.16.8s

Trust: 1.0

vendor:ciscomodel:iosscope:ltversion:16.11.1

Trust: 1.0

vendor:ciscomodel:iosscope: - version: -

Trust: 0.8

vendor:ciscomodel:iosscope:eqversion:9.0

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:9.14

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:4.1

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:8.2

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:8.3

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:4.1.1

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:9.1

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:10.0

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:4.1.2

Trust: 0.6

vendor:ciscomodel:iosscope:eqversion:10.3

Trust: 0.6

sources: JVNDB: JVNDB-2019-010188 // CNNVD: CNNVD-201909-1153 // NVD: CVE-2019-12655

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2019-12655
value: HIGH

Trust: 1.0

ykramarz@cisco.com: CVE-2019-12655
value: HIGH

Trust: 1.0

NVD: CVE-2019-12655
value: HIGH

Trust: 0.8

CNNVD: CNNVD-201909-1153
value: HIGH

Trust: 0.6

VULHUB: VHN-144423
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2019-12655
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-144423
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2019-12655
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/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: 3.1

Trust: 1.0

ykramarz@cisco.com: CVE-2019-12655
baseSeverity: HIGH
baseScore: 8.6
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 4.0
version: 3.0

Trust: 1.0

NVD: CVE-2019-12655
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: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-144423 // JVNDB: JVNDB-2019-010188 // CNNVD: CNNVD-201909-1153 // NVD: CVE-2019-12655 // NVD: CVE-2019-12655

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.9

problemtype:CWE-20

Trust: 1.0

sources: VULHUB: VHN-144423 // JVNDB: JVNDB-2019-010188 // NVD: CVE-2019-12655

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201909-1153

TYPE

input validation error

Trust: 0.6

sources: CNNVD: CNNVD-201909-1153

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2019-010188

PATCH
title:cisco-sa-20190925-ftpurl:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-ftp
Trust: 0.8
title:Cisco IOS XE Enter the fix for the verification error vulnerabilityurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=98569
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2019-010188 // 
            
            
            
            CNNVD: CNNVD-201909-1153

EXTERNAL IDS
db:NVDid:CVE-2019-12655
Trust: 2.5
db:JVNDBid:JVNDB-2019-010188
Trust: 0.8
db:CNNVDid:CNNVD-201909-1153
Trust: 0.7
db:AUSCERTid:ESB-2019.3615.2
Trust: 0.6
db:AUSCERTid:ESB-2019.3615
Trust: 0.6
db:VULHUBid:VHN-144423
Trust: 0.1
sources:
            
            
            VULHUB: VHN-144423 // 
            
            
            
            JVNDB: JVNDB-2019-010188 // 
            
            
            
            CNNVD: CNNVD-201909-1153 // 
            
            
            
            NVD: CVE-2019-12655

REFERENCES
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-ftp
Trust: 1.7
url:https://nvd.nist.gov/vuln/detail/cve-2019-12655
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-12655
Trust: 0.8
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-webui-cmd-injection
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-vman-cmd-injection
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-utd
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-ctspac-dos
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-xss
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-rawtcp-dos
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-dt
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-sip-alg
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-isdn-data-leak
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-iox-gs
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url:httpserv-dos
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url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-iosxe-fsdos
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url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-iosxe-digsig-bypass
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-iosxe-ctbypass
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-iosxe-codeexec
Trust: 0.6
url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20190925-awr
Trust: 0.6
url:https://vigilance.fr/vulnerability/cisco-ios-xe-denial-of-service-via-ftp-application-layer-gateway-30422
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2019.3615.2/
Trust: 0.6
url:https://www.auscert.org.au/bulletins/esb-2019.3615/
Trust: 0.6
sources:
            
            
            VULHUB: VHN-144423 // 
            
            
            
            JVNDB: JVNDB-2019-010188 // 
            
            
            
            CNNVD: CNNVD-201909-1153 // 
            
            
            
            NVD: CVE-2019-12655

SOURCES
db:VULHUBid:VHN-144423
db:JVNDBid:JVNDB-2019-010188
db:CNNVDid:CNNVD-201909-1153
db:NVDid:CVE-2019-12655

LAST UPDATE DATE
2024-11-23T21:36:55.088000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-144423date:2019-10-09T00:00:00
db:JVNDBid:JVNDB-2019-010188date:2019-10-08T00:00:00
db:CNNVDid:CNNVD-201909-1153date:2019-10-17T00:00:00
db:NVDid:CVE-2019-12655date:2024-11-21T04:23:16.480

SOURCES RELEASE DATE
db:VULHUBid:VHN-144423date:2019-09-25T00:00:00
db:JVNDBid:JVNDB-2019-010188date:2019-10-08T00:00:00
db:CNNVDid:CNNVD-201909-1153date:2019-09-25T00:00:00
db:NVDid:CVE-2019-12655date:2019-09-25T21:15:10.780