CVE-2021-3435 - Vulnerability Details - OpenCVE

Description

Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh

Published: 2022-06-28

Score: 4 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

zephyrproject-rtos

zephyr

affected

Version	Status	Constraints
`v2.4.0`	affected	< unspecified
`v2.5.0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-26761	Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00054.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh

History

No history.

Subscriptions

Zephyrproject Zephyr

MITRE

Status: PUBLISHED

Assigner: zephyr

Published: 2022-06-28T19:45:44.593Z

Updated: 2024-09-16T17:48:21.384Z

Reserved: 2021-03-11T00:00:00.000Z

Link: CVE-2021-3435

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-06-28T20:15:08.293

Modified: 2024-11-21T06:21:30.163

Link: CVE-2021-3435

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-908

{"containers": {"cna": {"affected": [{"product": "zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "v2.4.0", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "v2.5.0", "versionType": "custom"}]}], "datePublic": "2021-06-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-908", "description": "Use of Uninitialized Resource (CWE-908)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-06-28T19:45:44.000Z", "orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}], "source": {"defect": ["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"]}, "title": "L2CAP: Information leakage in le_ecred_conn_req()", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnerabilities@zephyrproject.org", "DATE_PUBLIC": "2021-06-21T00:00:00.000Z", "ID": "CVE-2021-3435", "STATE": "PUBLIC", "TITLE": "L2CAP: Information leakage in le_ecred_conn_req()"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "zephyr", "version": {"version_data": [{"version_affected": ">=", "version_value": "v2.4.0"}, {"version_affected": ">=", "version_value": "v2.5.0"}]}}]}, "vendor_name": "zephyrproject-rtos"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MODERATE", "confidentialityImpact": "LOW", "environmentalScore": 4, "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "temporalScore": 4, "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Use of Uninitialized Resource (CWE-908)"}]}]}, "references": {"reference_data": [{"name": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh", "refsource": "MISC", "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}]}, "source": {"defect": ["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T16:53:17.621Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}]}]}, "cveMetadata": {"assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "assignerShortName": "zephyr", "cveId": "CVE-2021-3435", "datePublished": "2022-06-28T19:45:44.593Z", "dateReserved": "2021-03-11T00:00:00.000Z", "dateUpdated": "2024-09-16T17:48:21.384Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "matchCriteriaId": "93322BD9-A3E5-4E59-9243-9F5774F75CF7", "versionEndExcluding": "2.6.0", "versionStartIncluding": "2.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Information leakage in le_ecred_conn_req(). Zephyr versions >= v2.4.0 Use of Uninitialized Resource (CWE-908). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}, {"lang": "es", "value": "Un filtrado de informaci\u00f3n en la funci\u00f3n le_ecred_conn_req(). Zephyr versiones posteriores a v2.4.0 incluy\u00e9ndola, Uso de Recurso no Inicializado (CWE-908). Para m\u00e1s informaci\u00f3n, vea https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}], "id": "CVE-2021-3435", "lastModified": "2024-11-21T06:21:30.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "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": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 1.4, "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-06-28T20:15:08.293", "references": [{"source": "vulnerabilities@zephyrproject.org", "tags": ["Vendor Advisory"], "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xhg3-gvj6-4rqh"}], "sourceIdentifier": "vulnerabilities@zephyrproject.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}]}