Sign-up

ID

VAR-202107-0892


CVE

CVE-2021-34829


TITLE

D-Link DAP-1330  Classic buffer overflow vulnerability in routers

Trust: 0.8

sources: JVNDB: JVNDB-2021-009581

DESCRIPTION

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the HNAP_AUTH HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12065. D-Link DAP-1330 A classic buffer overflow vulnerability exists in the router. Zero Day Initiative To this vulnerability ZDI-CAN-12065 Was numbered.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. D-Link DAP-1330 is a WIFI device of China Taiwan D-Link (D-Link) company's network equipment

Trust: 2.88

sources: NVD: CVE-2021-34829 // JVNDB: JVNDB-2021-009581 // ZDI: ZDI-21-681 // CNVD: CNVD-2021-51474 // VULMON: CVE-2021-34829

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-51474

AFFECTED PRODUCTS

vendor:d linkmodel:dap-1330scope: - version: -

Trust: 1.3

vendor:dlinkmodel:dap-1330scope:eqversion:1.13b01

Trust: 1.0

vendor:d linkmodel:dap-1330scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dap-1330scope:eqversion:dap-1330 firmware 1.13b01 beta

Trust: 0.8

sources: ZDI: ZDI-21-681 // CNVD: CNVD-2021-51474 // JVNDB: JVNDB-2021-009581 // NVD: CVE-2021-34829

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-34829
value: HIGH

Trust: 1.0

zdi-disclosures@trendmicro.com: CVE-2021-34829
value: HIGH

Trust: 1.0

NVD: CVE-2021-34829
value: HIGH

Trust: 0.8

ZDI: CVE-2021-34829
value: HIGH

Trust: 0.7

CNVD: CNVD-2021-51474
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202107-1106
value: HIGH

Trust: 0.6

VULMON: CVE-2021-34829
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-34829
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-51474
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

zdi-disclosures@trendmicro.com: CVE-2021-34829
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

Trust: 1.8

nvd@nist.gov: CVE-2021-34829
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

ZDI: CVE-2021-34829
baseSeverity: HIGH
baseScore: 8.8
vectorString: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-21-681 // CNVD: CNVD-2021-51474 // VULMON: CVE-2021-34829 // JVNDB: JVNDB-2021-009581 // CNNVD: CNNVD-202107-1106 // NVD: CVE-2021-34829 // NVD: CVE-2021-34829

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [ Other ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-009581 // NVD: CVE-2021-34829

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202107-1106

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202107-1106

PATCH

title:Top Pageurl:https://www.dlink.com.br/

Trust: 0.8

title:Patch for D-Link DAP-1330 buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/279456

Trust: 0.6

title:D-Link DAP-1330 Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=156949

Trust: 0.6

sources: CNVD: CNVD-2021-51474 // JVNDB: JVNDB-2021-009581 // CNNVD: CNNVD-202107-1106

EXTERNAL IDS

db:NVDid:CVE-2021-34829

Trust: 4.6

db:ZDIid:ZDI-21-681

Trust: 3.2

db:JVNDBid:JVNDB-2021-009581

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-12065

Trust: 0.7

db:CNVDid:CNVD-2021-51474

Trust: 0.6

db:CNNVDid:CNNVD-202107-1106

Trust: 0.6

db:VULMONid:CVE-2021-34829

Trust: 0.1

sources: ZDI: ZDI-21-681 // CNVD: CNVD-2021-51474 // VULMON: CVE-2021-34829 // JVNDB: JVNDB-2021-009581 // CNNVD: CNNVD-202107-1106 // NVD: CVE-2021-34829

REFERENCES

url:https://www.zerodayinitiative.com/advisories/zdi-21-681/

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-34829

Trust: 1.4

url:https://cwe.mitre.org/data/definitions/120.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-51474 // VULMON: CVE-2021-34829 // JVNDB: JVNDB-2021-009581 // CNNVD: CNNVD-202107-1106 // NVD: CVE-2021-34829

CREDITS

phieulang aka Hoang Le of VietSunShine Cyber Security Services

Trust: 0.7

sources: ZDI: ZDI-21-681

SOURCES

db:ZDIid:ZDI-21-681
db:CNVDid:CNVD-2021-51474
db:VULMONid:CVE-2021-34829
db:JVNDBid:JVNDB-2021-009581
db:CNNVDid:CNNVD-202107-1106
db:NVDid:CVE-2021-34829

LAST UPDATE DATE

2024-08-14T14:18:25.122000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-21-681date:2021-09-27T00:00:00
db:CNVDid:CNVD-2021-51474date:2021-07-17T00:00:00
db:VULMONid:CVE-2021-34829date:2021-07-20T00:00:00
db:JVNDBid:JVNDB-2021-009581date:2022-05-11T04:55:00
db:CNNVDid:CNNVD-202107-1106date:2021-07-21T00:00:00
db:NVDid:CVE-2021-34829date:2021-07-20T15:30:15.217

SOURCES RELEASE DATE

db:ZDIid:ZDI-21-681date:2021-06-10T00:00:00
db:CNVDid:CNVD-2021-51474date:2021-07-17T00:00:00
db:VULMONid:CVE-2021-34829date:2021-07-15T00:00:00
db:JVNDBid:JVNDB-2021-009581date:2022-05-11T00:00:00
db:CNNVDid:CNNVD-202107-1106date:2021-07-15T00:00:00
db:NVDid:CVE-2021-34829date:2021-07-15T18:15:09.417