Sign-up

ID

VAR-202202-1335


CVE

CVE-2021-33137


TITLE

Intel(R) Kernelflinger  Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2022-005051

DESCRIPTION

Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access. Intel(R) Kernelflinger Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Intel Kernelflinger is an Intel Uefi bootloader for Android/Brillo from Intel Corporation. A security vulnerability exists in the Intel Kernelflinger open source project, which stems from a potential security vulnerability in the Kernelflinger open source project maintained by Intel. An attacker could exploit this vulnerability to allow privilege escalation

Trust: 1.71

sources: NVD: CVE-2021-33137 // JVNDB: JVNDB-2022-005051 // VULHUB: VHN-393151

AFFECTED PRODUCTS

vendor:intelmodel:kernelflingerscope:ltversion:2021-06-28

Trust: 1.0

vendor:インテルmodel:kernelflingerscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2022-005051 // NVD: CVE-2021-33137

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-33137
value: HIGH

Trust: 1.0

NVD: CVE-2021-33137
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202202-748
value: HIGH

Trust: 0.6

VULHUB: VHN-393151
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-33137
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-393151
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-33137
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-33137
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-393151 // JVNDB: JVNDB-2022-005051 // CNNVD: CNNVD-202202-748 // NVD: CVE-2021-33137

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

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

Trust: 0.8

sources: VULHUB: VHN-393151 // JVNDB: JVNDB-2022-005051 // NVD: CVE-2021-33137

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202202-748

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202202-748

PATCH

title:INTEL-SA-00591url:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00591.html

Trust: 0.8

title:Intel Kernelflinger Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=182186

Trust: 0.6

sources: JVNDB: JVNDB-2022-005051 // CNNVD: CNNVD-202202-748

EXTERNAL IDS

db:NVDid:CVE-2021-33137

Trust: 3.3

db:JVNid:JVNVU99045838

Trust: 0.8

db:JVNDBid:JVNDB-2022-005051

Trust: 0.8

db:CNNVDid:CNNVD-202202-748

Trust: 0.7

db:AUSCERTid:ESB-2022.0543

Trust: 0.6

db:CS-HELPid:SB2022020920

Trust: 0.6

db:VULHUBid:VHN-393151

Trust: 0.1

sources: VULHUB: VHN-393151 // JVNDB: JVNDB-2022-005051 // CNNVD: CNNVD-202202-748 // NVD: CVE-2021-33137

REFERENCES

url:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00591.html

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-33137

Trust: 1.4

url:https://jvn.jp/vu/jvnvu99045838

Trust: 0.8

url:https://www.auscert.org.au/bulletins/esb-2022.0543

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2022020920

Trust: 0.6

sources: VULHUB: VHN-393151 // JVNDB: JVNDB-2022-005051 // CNNVD: CNNVD-202202-748 // NVD: CVE-2021-33137

SOURCES

db:VULHUBid:VHN-393151
db:JVNDBid:JVNDB-2022-005051
db:CNNVDid:CNNVD-202202-748
db:NVDid:CVE-2021-33137

LAST UPDATE DATE

2024-08-14T12:47:25.125000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-393151date:2022-02-15T00:00:00
db:JVNDBid:JVNDB-2022-005051date:2023-05-16T06:02:00
db:CNNVDid:CNNVD-202202-748date:2022-02-16T00:00:00
db:NVDid:CVE-2021-33137date:2022-02-15T19:00:00.590

SOURCES RELEASE DATE

db:VULHUBid:VHN-393151date:2022-02-09T00:00:00
db:JVNDBid:JVNDB-2022-005051date:2023-05-16T00:00:00
db:CNNVDid:CNNVD-202202-748date:2022-02-09T00:00:00
db:NVDid:CVE-2021-33137date:2022-02-09T23:15:15.703