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ID

VAR-202203-1925


CVE

CVE-2021-43722


TITLE

of D-Link Japan Co., Ltd.  dir-645  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-019187

DESCRIPTION

D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction header onto the stack and has no limit on the size. of D-Link Japan Co., Ltd. dir-645 An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2021-43722 // JVNDB: JVNDB-2021-019187

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-645scope:eqversion:1.03

Trust: 1.0

vendor:ディーリンクジャパン株式会社model:dir-645scope:eqversion:dir-645 firmware 1.03

Trust: 0.8

vendor:ディーリンクジャパン株式会社model:dir-645scope:eqversion: -

Trust: 0.8

vendor:ディーリンクジャパン株式会社model:dir-645scope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-019187 // NVD: CVE-2021-43722

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-43722
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-43722
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202203-2689
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2021-43722
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

nvd@nist.gov: CVE-2021-43722
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-43722
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2021-019187 // CNNVD: CNNVD-202203-2689 // NVD: CVE-2021-43722

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-019187 // NVD: CVE-2021-43722

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-2689

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202203-2689

EXTERNAL IDS

db:NVDid:CVE-2021-43722

Trust: 3.2

db:JVNDBid:JVNDB-2021-019187

Trust: 0.8

db:CNNVDid:CNNVD-202203-2689

Trust: 0.6

sources: JVNDB: JVNDB-2021-019187 // CNNVD: CNNVD-202203-2689 // NVD: CVE-2021-43722

REFERENCES

url:https://github.com/luqiut/iot/blob/main/dir-645%20stack%20overflow.md

Trust: 2.4

url:https://www.dlink.com/en/security-bulletin/

Trust: 2.4

url:https://nvd.nist.gov/vuln/detail/cve-2021-43722

Trust: 0.8

url:https://cxsecurity.com/cveshow/cve-2021-43722/

Trust: 0.6

sources: JVNDB: JVNDB-2021-019187 // CNNVD: CNNVD-202203-2689 // NVD: CVE-2021-43722

SOURCES

db:JVNDBid:JVNDB-2021-019187
db:CNNVDid:CNNVD-202203-2689
db:NVDid:CVE-2021-43722

LAST UPDATE DATE

2024-11-23T22:57:46.105000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2021-019187date:2023-07-19T08:29:00
db:CNNVDid:CNNVD-202203-2689date:2022-04-11T00:00:00
db:NVDid:CVE-2021-43722date:2024-11-21T06:29:40.297

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2021-019187date:2023-07-19T00:00:00
db:CNNVDid:CNNVD-202203-2689date:2022-03-31T00:00:00
db:NVDid:CVE-2021-43722date:2022-03-31T21:15:07.697