ID

VAR-201707-1010


CVE

CVE-2017-9484


TITLE

Cisco DPC3939 Vulnerable to information disclosure

Trust: 0.8

sources: JVNDB: JVNDB-2017-006521

DESCRIPTION

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to discover a CM MAC address by sniffing Wi-Fi traffic and performing simple arithmetic calculations. Cisco DPC3939 Contains an information disclosure vulnerability.Information may be obtained. The Cisco DPC3939 is a wireless voice gateway product from Cisco. A security vulnerability exists in the Cisco DPC3939 firmware. The attacker accesses the CMMAC of the Comcast Customer Gateway by sniffing the Wi-Fi traffic on the gateway. Comcast is a set of firmware developed by Comcast Corporation of the United States that runs in devices such as gateways and modems

Trust: 2.25

sources: NVD: CVE-2017-9484 // JVNDB: JVNDB-2017-006521 // CNVD: CNVD-2017-27784 // VULHUB: VHN-117687

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

category:['network device']sub_category:gateway

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2017-27784

AFFECTED PRODUCTS

vendor:ciscomodel:dpc3939scope:eqversion:dpc3939-p20-18-v303r20421733-160420a-cmcst

Trust: 1.6

vendor:ciscomodel:dpc3939scope:eqversion:dpc3939-p20-18-v303r20421746-170221a-cmcst

Trust: 1.6

vendor:ciscomodel:dpc3939 wireless residential voice gatewayscope:eqversion:dpc3939-p20-18-v303r20421733-160420a-cmcst

Trust: 0.8

vendor:ciscomodel:dpc3939 wireless residential voice gatewayscope:eqversion:dpc3939-p20-18-v303r20421746-170221a-cmcst

Trust: 0.8

vendor:ciscomodel:dpc3939 dpc3939-p20-18-v303r20421746-170221a-cmcstscope: - version: -

Trust: 0.6

vendor:ciscomodel:dpc3939 dpc3939-p20-18-v303r20421733-160420a-cmcstscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2017-27784 // JVNDB: JVNDB-2017-006521 // CNNVD: CNNVD-201706-233 // NVD: CVE-2017-9484

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2017-9484
value: HIGH

Trust: 1.0

NVD: CVE-2017-9484
value: HIGH

Trust: 0.8

CNVD: CNVD-2017-27784
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-201706-233
value: MEDIUM

Trust: 0.6

VULHUB: VHN-117687
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2017-9484
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2017-27784
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-117687
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
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-2017-9484
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-2017-27784 // VULHUB: VHN-117687 // JVNDB: JVNDB-2017-006521 // CNNVD: CNNVD-201706-233 // NVD: CVE-2017-9484

PROBLEMTYPE DATA

problemtype:CWE-200

Trust: 1.9

sources: VULHUB: VHN-117687 // JVNDB: JVNDB-2017-006521 // NVD: CVE-2017-9484

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201706-233

TYPE

information disclosure

Trust: 0.6

sources: CNNVD: CNNVD-201706-233

CONFIGURATIONS

sources: JVNDB: JVNDB-2017-006521

PATCH

title:トップページurl:https://www.cisco.com/c/ja_jp/index.html

Trust: 0.8

sources: JVNDB: JVNDB-2017-006521

EXTERNAL IDS

db:NVDid:CVE-2017-9484

Trust: 3.2

db:JVNDBid:JVNDB-2017-006521

Trust: 0.8

db:CNNVDid:CNNVD-201706-233

Trust: 0.7

db:CNVDid:CNVD-2017-27784

Trust: 0.6

db:OTHERid:NONE

Trust: 0.1

db:VULHUBid:VHN-117687

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2017-27784 // VULHUB: VHN-117687 // JVNDB: JVNDB-2017-006521 // CNNVD: CNNVD-201706-233 // NVD: CVE-2017-9484

REFERENCES

url:https://github.com/bastilleresearch/cabletap/blob/master/doc/advisories/bastille-27.ipv6-cm-mac-leak.txt

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2017-9484

Trust: 1.4

url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-9484

Trust: 0.8

url:https://ieeexplore.ieee.org/abstract/document/10769424

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2017-27784 // VULHUB: VHN-117687 // JVNDB: JVNDB-2017-006521 // CNNVD: CNNVD-201706-233 // NVD: CVE-2017-9484

SOURCES

db:OTHERid: -
db:CNVDid:CNVD-2017-27784
db:VULHUBid:VHN-117687
db:JVNDBid:JVNDB-2017-006521
db:CNNVDid:CNNVD-201706-233
db:NVDid:CVE-2017-9484

LAST UPDATE DATE

2025-04-20T22:24:07.470000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2017-27784date:2017-09-21T00:00:00
db:VULHUBid:VHN-117687date:2017-08-02T00:00:00
db:JVNDBid:JVNDB-2017-006521date:2017-08-29T00:00:00
db:CNNVDid:CNNVD-201706-233date:2017-11-29T00:00:00
db:NVDid:CVE-2017-9484date:2025-04-20T01:37:25.860

SOURCES RELEASE DATE

db:CNVDid:CNVD-2017-27784date:2017-09-21T00:00:00
db:VULHUBid:VHN-117687date:2017-07-31T00:00:00
db:JVNDBid:JVNDB-2017-006521date:2017-08-29T00:00:00
db:CNNVDid:CNNVD-201706-233date:2017-06-08T00:00:00
db:NVDid:CVE-2017-9484date:2017-07-31T03:29:00.503