CVE-2020-11834 - Vulnerability Details - OpenCVE

Description

In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability.

Published: 2020-12-31

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

OPPO Find X2

affected

Version	Status	Constraints
`ColorOS V11`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:oppo:reno3_pro_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:oppo:reno3_pro:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:oppo:find_x2_pro_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:oppo:find_x2_pro:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-4174	In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0005.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336

History

No history.

Subscriptions

Oppo Find X2 Pro Find X2 Pro Firmware Reno3 Pro Reno3 Pro Firmware

MITRE

Status: PUBLISHED

Assigner: OPPO

Published: 2020-12-31T17:59:35.000Z

Updated: 2024-08-04T11:42:00.718Z

Reserved: 2020-04-16T00:00:00.000Z

Link: CVE-2020-11834

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-31T18:15:12.840

Modified: 2024-11-21T04:58:43.553

Link: CVE-2020-11834

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

{"containers": {"cna": {"affected": [{"product": "OPPO Find X2", "vendor": "n/a", "versions": [{"status": "affected", "version": "ColorOS V11"}]}], "descriptions": [{"lang": "en", "value": "In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability."}], "problemTypes": [{"descriptions": [{"description": "DOS Overflow", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-31T17:59:35.000Z", "orgId": "7f2b1ad8-5432-4d64-91a1-9099af1cc695", "shortName": "OPPO"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@oppo.com", "ID": "CVE-2020-11834", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "OPPO Find X2", "version": {"version_data": [{"version_value": "ColorOS V11"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "DOS Overflow"}]}]}, "references": {"reference_data": [{"name": "https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336", "refsource": "MISC", "url": "https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:42:00.718Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336"}]}]}, "cveMetadata": {"assignerOrgId": "7f2b1ad8-5432-4d64-91a1-9099af1cc695", "assignerShortName": "OPPO", "cveId": "CVE-2020-11834", "datePublished": "2020-12-31T17:59:35.000Z", "dateReserved": "2020-04-16T00:00:00.000Z", "dateUpdated": "2024-08-04T11:42:00.718Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oppo:reno3_pro_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "719463A3-4C54-4778-BE09-1029E1BAC038", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:oppo:reno3_pro:-:*:*:*:*:*:*:*", "matchCriteriaId": "E7BC1938-E4C8-4284-AC1D-ADFD142F4E6F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oppo:find_x2_pro_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BC81413F-23C1-451C-B7D1-3084D165B1F5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:oppo:find_x2_pro:-:*:*:*:*:*:*:*", "matchCriteriaId": "0617301D-8B5F-4398-8978-2417E96B1DBD", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "In /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, the function proc_fastchg_fw_update_write in proc_fastchg_fw_update_write does not check the parameter len, resulting in a vulnerability."}, {"lang": "es", "value": "En el archivo /SM8250_Q_Master/android/vendor/oppo_charger/oppo/oppo_vooc.c, la funci\u00f3n proc_fastchg_fw_update_write en proc_fastchg_fw_update_write no comprueba el par\u00e1metro len, resultando en una vulnerabilidad."}], "id": "CVE-2020-11834", "lastModified": "2024-11-21T04:58:43.553", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-31T18:15:12.840", "references": [{"source": "security@oppo.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://security.oppo.com/en/noticedetails.html?noticeId=NOTICE-1333235676610830336"}], "sourceIdentifier": "security@oppo.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}