CVE-2024-23967
Vulnerability from cvelistv5
Published
2024-09-28 06:12
Modified
2024-10-03 13:41
Severity ?
EPSS score ?
Summary
Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability
References
▼ | URL | Tags | |
---|---|---|---|
cve@asrg.io | https://www.zerodayinitiative.com/advisories/ZDI-24-853/ | Third Party Advisory, VDB Entry |
Impacted products
▼ | Vendor | Product |
---|---|---|
Autel | MaxiCharger AC Elite Business C50 |
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This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 chargers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.\u003c/p\u003e\u003cp\u003eThe specific flaw exists within the handling of base64-encoded data within WebSocket messages. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.\u003c/p\u003e\u003cp\u003eWas ZDI-CAN-23230\u003c/p\u003e" } ], "value": "Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 chargers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.\n\nThe specific flaw exists within the handling of base64-encoded data within WebSocket messages. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.\n\nWas ZDI-CAN-23230" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-09-28T06:12:05.822Z", "orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "shortName": "ASRG" }, "references": [ { "name": "ZDI-24-853", "tags": [ "x_research-advisory" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-24-853/" } ], "source": { "discovery": "UNKNOWN", "lang": "en", "value": "Daan Keuper, Thijs Alkemade and Khaled Nassar of Computest Sector 7" }, "title": "Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability", "x_generator": { "engine": "Vulnogram 0.2.0" } } }, "cveMetadata": { "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "assignerShortName": "ASRG", "cveId": "CVE-2024-23967", "datePublished": "2024-09-28T06:12:05.822Z", "dateReserved": "2024-01-25T00:14:42.599Z", "dateUpdated": "2024-10-03T13:41:52.758Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-23967\",\"sourceIdentifier\":\"cve@asrg.io\",\"published\":\"2024-09-28T07:15:03.937\",\"lastModified\":\"2024-10-03T17:37:37.907\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 chargers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.\\n\\nThe specific flaw exists within the handling of base64-encoded data within WebSocket messages. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.\\n\\nWas ZDI-CAN-23230\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo por desbordamiento de b\u00fafer basado en pila de Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding. Esta vulnerabilidad permite a los atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en las instalaciones afectadas de los cargadores Autel MaxiCharger AC Elite Business C50. Aunque se requiere autenticaci\u00f3n para explotar esta vulnerabilidad, se puede eludir el mecanismo de autenticaci\u00f3n existente. La falla espec\u00edfica existe en el manejo de datos codificados en base64 dentro de los mensajes WebSocket. El problema es el resultado de la falta de una validaci\u00f3n adecuada de la longitud de los datos proporcionados por el usuario antes de copiarlos a un b\u00fafer basado en pila de longitud fija. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto del dispositivo. Era ZDI-CAN-23230\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.0,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":5.9},{\"source\":\"cve@asrg.io\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.0,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"cve@asrg.io\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-121\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:autel:maxicharger_ac_elite_business_c50_firmware:1.32.00:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8AE968C0-3E5C-4A7A-9687-C6D7208224E7\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:autel:maxicharger_ac_elite_business_c50:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B2F9001-71B7-4B39-9114-FC54F4EAE9E7\"}]}]}],\"references\":[{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-24-853/\",\"source\":\"cve@asrg.io\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.