CVE-2023-4257

Unchecked user input length in the Zephyr WiFi shell module

View on CVE.org

Published Oct 13, 2023 CVSS 3.1 · 7.6 High EPSS 1.1% KEV · Not listed

Description

Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.

Analysis

No analysis available yet

Affected Products

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

unaffected

Version	Status	Constraints
`0`	affected	≤ 3.4

Configuration 1 [-]

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

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-2023-54128	Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.063% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
http://seclists.org/fulldisclosure/2023/Nov/1
http://www.openwall.com/lists/oss-security/2023/11/07/1
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j

History

Dec 3, 2024 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Zephyrproject Zephyr

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-131
Incorrect Calculation of Buffer Size

Sources

CVE record Updated: Feb 13, 2025, 5:09 PM

Status: PUBLISHED
Assigner: zephyr
Published: Oct 13, 2023, 9:09 PM
Updated: Feb 13, 2025, 5:09 PM
Reserved: Aug 8, 2023, 9:07 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:24 AM

Updated: Aug 2, 2024, 7:24 AM

NVD Updated: Jun 17, 2026, 6:37 AM

Status: Modified
Published: Oct 13, 2023, 10:15 PM
Modified: Jun 17, 2026, 6:37 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-4257", "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "state": "PUBLISHED", "assignerShortName": "zephyr", "dateReserved": "2023-08-08T21:07:32.623Z", "datePublished": "2023-10-13T21:09:51.733Z", "dateUpdated": "2025-02-13T17:09:27.372Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Zephyr", "repo": "https://github.com/zephyrproject-rtos/zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThanOrEqual": "3.4", "status": "affected", "version": "0", "versionType": "git"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows."}], "value": "Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows."}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-131", "description": "CWE-131 Incorrect Calculation of Buffer Size", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr", "dateUpdated": "2023-11-14T03:06:31.523Z"}, "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j"}, {"url": "http://www.openwall.com/lists/oss-security/2023/11/07/1"}, {"url": "http://seclists.org/fulldisclosure/2023/Nov/1"}, {"url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Unchecked user input length in the Zephyr WiFi shell module", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:24:04.271Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j", "tags": ["x_transferred"]}, {"url": "http://www.openwall.com/lists/oss-security/2023/11/07/1", "tags": ["x_transferred"]}, {"url": "http://seclists.org/fulldisclosure/2023/Nov/1", "tags": ["x_transferred"]}, {"url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-12-03T14:48:38.291355Z", "id": "CVE-2023-4257", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-03T14:48:50.367Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j", "tags": ["x_transferred"]}, {"url": "http://www.openwall.com/lists/oss-security/2023/11/07/1", "tags": ["x_transferred"]}, {"url": "http://seclists.org/fulldisclosure/2023/Nov/1", "tags": ["x_transferred"]}, {"url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:24:04.271Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-4257", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-12-03T14:48:38.291355Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-03T14:48:45.597Z"}}], "cna": {"title": "Unchecked user input length in the Zephyr WiFi shell module", "source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/zephyrproject-rtos/zephyr", "vendor": "zephyrproject-rtos", "product": "Zephyr", "versions": [{"status": "affected", "version": "0", "versionType": "git", "lessThanOrEqual": "3.4"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j"}, {"url": "http://www.openwall.com/lists/oss-security/2023/11/07/1"}, {"url": "http://seclists.org/fulldisclosure/2023/Nov/1"}, {"url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.", "supportingMedia": [{"type": "text/html", "value": "Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-131", "description": "CWE-131 Incorrect Calculation of Buffer Size"}]}], "providerMetadata": {"orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr", "dateUpdated": "2023-11-14T03:06:31.523Z"}}}, "cveMetadata": {"cveId": "CVE-2023-4257", "state": "PUBLISHED", "dateUpdated": "2025-02-13T17:09:27.372Z", "dateReserved": "2023-08-08T21:07:32.623Z", "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "datePublished": "2023-10-13T21:09:51.733Z", "assignerShortName": "zephyr"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Zephyr", "repo": "https://github.com/zephyrproject-rtos/zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThanOrEqual": "3.4", "status": "affected", "version": "0", "versionType": "git"}]}], "source": "vulnerabilities@zephyrproject.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "matchCriteriaId": "51CECB97-3A81-4A54-AA0A-DB2A1DE18CF2", "versionEndIncluding": "3.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows."}, {"lang": "es", "value": "La longitud de entrada del usuario no marcada en /subsys/net/l2/wifi/wifi_shell.c puede provocar desbordamientos del b\u00fafer."}], "id": "CVE-2023-4257", "lastModified": "2026-06-17T06:37:25.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-4257", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-12-03T14:48:38.291355Z", "version": "2.0.3"}}]}, "published": "2023-10-13T22:15:10.453", "references": [{"source": "vulnerabilities@zephyrproject.org", "tags": ["Exploit", "Third Party Advisory"], "url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2023/Nov/1"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2023/11/07/1"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2023/Nov/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2023/11/07/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-853q-q69w-gf5j"}], "sourceIdentifier": "vulnerabilities@zephyrproject.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}, {"lang": "en", "value": "CWE-131"}], "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-131"}], "source": "nvd@nist.gov", "type": "Primary"}]}