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ID

VAR-202202-1100


CVE

CVE-2021-46463


TITLE

njs  Vulnerability regarding mix-ups in

Trust: 0.8

sources: JVNDB: JVNDB-2021-018358

DESCRIPTION

njs through 0.7.1, used in NGINX, was discovered to contain a control flow hijack caused by a Type Confusion vulnerability in njs_promise_perform_then(). njs contains a type confusion 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 Company in the United States

Trust: 1.71

sources: NVD: CVE-2021-46463 // JVNDB: JVNDB-2021-018358 // VULHUB: VHN-413145

AFFECTED PRODUCTS

vendor:f5model:njsscope:lteversion:0.7.1

Trust: 1.0

vendor:f5model:njsscope:eqversion:0.7.1 to

Trust: 0.8

vendor:f5model:njsscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-018358 // NVD: CVE-2021-46463

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-46463
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-46463
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202202-1184
value: CRITICAL

Trust: 0.6

VULHUB: VHN-413145
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-46463
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

VULHUB: VHN-413145
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: 0.1

nvd@nist.gov: CVE-2021-46463
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-2021-46463
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: VULHUB: VHN-413145 // JVNDB: JVNDB-2021-018358 // CNNVD: CNNVD-202202-1184 // NVD: CVE-2021-46463

PROBLEMTYPE DATA

problemtype:CWE-843

Trust: 1.1

problemtype:Mistake of type (CWE-843) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-413145 // JVNDB: JVNDB-2021-018358 // NVD: CVE-2021-46463

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-1184

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202202-1184

PATCH

title:Fixed type confusion bug while resolving promises. GitHuburl:https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992

Trust: 0.8

title:NGINX Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=183312

Trust: 0.6

sources: JVNDB: JVNDB-2021-018358 // CNNVD: CNNVD-202202-1184

EXTERNAL IDS

db:NVDid:CVE-2021-46463

Trust: 3.3

db:JVNDBid:JVNDB-2021-018358

Trust: 0.8

db:CNNVDid:CNNVD-202202-1184

Trust: 0.7

db:VULHUBid:VHN-413145

Trust: 0.1

sources: VULHUB: VHN-413145 // JVNDB: JVNDB-2021-018358 // CNNVD: CNNVD-202202-1184 // NVD: CVE-2021-46463

REFERENCES

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

Trust: 2.5

url:https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992

Trust: 1.7

url:https://github.com/nginx/njs/issues/447

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-46463

Trust: 1.4

sources: VULHUB: VHN-413145 // JVNDB: JVNDB-2021-018358 // CNNVD: CNNVD-202202-1184 // NVD: CVE-2021-46463

SOURCES

db:VULHUBid:VHN-413145
db:JVNDBid:JVNDB-2021-018358
db:CNNVDid:CNNVD-202202-1184
db:NVDid:CVE-2021-46463

LAST UPDATE DATE

2024-11-23T22:50:56.415000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-413145date:2022-03-24T00:00:00
db:JVNDBid:JVNDB-2021-018358date:2023-06-05T02:31:00
db:CNNVDid:CNNVD-202202-1184date:2022-03-10T00:00:00
db:NVDid:CVE-2021-46463date:2024-11-21T06:34:08.037

SOURCES RELEASE DATE

db:VULHUBid:VHN-413145date:2022-02-14T00:00:00
db:JVNDBid:JVNDB-2021-018358date:2023-06-05T00:00:00
db:CNNVDid:CNNVD-202202-1184date:2022-02-14T00:00:00
db:NVDid:CVE-2021-46463date:2022-02-14T22:15:07.793