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ID

VAR-202202-1765


CVE

CVE-2021-46461


TITLE

njs  Buffer error vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-018360

DESCRIPTION

njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c. njs Exists in a buffer error vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Nginx is a lightweight web server/reverse proxy server and email (IMAP/POP3) proxy server of Nginx Corporation in the United States. No detailed vulnerability details are currently available

Trust: 2.16

sources: NVD: CVE-2021-46461 // JVNDB: JVNDB-2021-018360 // CNVD: CNVD-2022-25226

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-25226

AFFECTED PRODUCTS

vendor:nginxmodel:njsscope:lteversion:0.7.0

Trust: 1.0

vendor:f5model:njsscope:eqversion:0.7.0 to

Trust: 0.8

vendor:f5model:njsscope:eqversion: -

Trust: 0.8

vendor:nginxmodel:njsscope:lteversion:<=0.7.0

Trust: 0.6

sources: CNVD: CNVD-2022-25226 // JVNDB: JVNDB-2021-018360 // NVD: CVE-2021-46461

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-46461
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-46461
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2022-25226
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202202-1182
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2021-46461
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

CNVD: CNVD-2022-25226
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: 0.6

nvd@nist.gov: CVE-2021-46461
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-2021-46461
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: CNVD: CNVD-2022-25226 // JVNDB: JVNDB-2021-018360 // CNNVD: CNNVD-202202-1182 // NVD: CVE-2021-46461

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-018360 // NVD: CVE-2021-46461

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-1182

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202202-1182

PATCH

title:1521url:https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2

Trust: 0.8

title:Patch for NGINX buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/328586

Trust: 0.6

title:NGINX Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=184605

Trust: 0.6

sources: CNVD: CNVD-2022-25226 // JVNDB: JVNDB-2021-018360 // CNNVD: CNNVD-202202-1182

EXTERNAL IDS

db:NVDid:CVE-2021-46461

Trust: 3.8

db:JVNDBid:JVNDB-2021-018360

Trust: 0.8

db:CNVDid:CNVD-2022-25226

Trust: 0.6

db:CNNVDid:CNNVD-202202-1182

Trust: 0.6

sources: CNVD: CNVD-2022-25226 // JVNDB: JVNDB-2021-018360 // CNNVD: CNNVD-202202-1182 // NVD: CVE-2021-46461

REFERENCES

url:https://security.netapp.com/advisory/ntap-20220303-0007/

Trust: 2.4

url:https://nvd.nist.gov/vuln/detail/cve-2021-46461

Trust: 2.0

url:https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2

Trust: 1.6

url:https://github.com/nginx/njs/issues/450

Trust: 1.6

sources: CNVD: CNVD-2022-25226 // JVNDB: JVNDB-2021-018360 // CNNVD: CNNVD-202202-1182 // NVD: CVE-2021-46461

SOURCES

db:CNVDid:CNVD-2022-25226
db:JVNDBid:JVNDB-2021-018360
db:CNNVDid:CNNVD-202202-1182
db:NVDid:CVE-2021-46461

LAST UPDATE DATE

2024-11-23T22:29:07.184000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-25226date:2022-04-01T00:00:00
db:JVNDBid:JVNDB-2021-018360date:2023-06-05T02:43:00
db:CNNVDid:CNNVD-202202-1182date:2022-03-11T00:00:00
db:NVDid:CVE-2021-46461date:2024-11-21T06:34:07.703

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-25226date:2022-04-01T00:00:00
db:JVNDBid:JVNDB-2021-018360date:2023-06-05T00:00:00
db:CNNVDid:CNNVD-202202-1182date:2022-02-14T00:00:00
db:NVDid:CVE-2021-46461date:2022-02-14T22:15:07.717